The result of multiplying 4000 by 12 is 48,000. Here’s how it works: When you multiply 4000 by 12, you are essentially adding 4000 twelve times. So, 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 + 4000 equals 48,000. This is a straightforward multiplication problem that can be solved quickly with basic arithmetic skills.