Fortnite consumes too much memory?

I just looked and the game consumes 35gb! My SSD. That can't be normal right? The PAKS folders are extremely huge.

Could it be that sometimes I play at 4k?

No, everything is normal and it is not your graphics

Video games are very big. The .pak files contain all the assets of the game d. H. Skins, Cosmetics, Items, …

Also, be aware that you have Fortnite Battle Royale and Fortnite Rescue installed the world. These are two different games.