I got rid of my 2 4K monitors and got an ultrawide. I’ll never look back. One 4K monitor was never enough for me. My ultrawide is basically 2 1440p monitors stuck to each other.
I just did the same thing, replaced 3 24" 1080p monitors with a single 49" ultrawide and it's been a damn game changer. Can't believe I waited so long to do it.