Home / 56,361.72-77,779.98-31,210.68

Finding the Fourth Proportional to 56,361.72, 77,779.98 and 31,210.68

Calculator

Solution

The fourth proportional to 56,361.72, 77,779.98 and 31,210.68 is: 43,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.72 : 77,779.98 = 31,210.68 : x
  2. Step 2: Convert to fraction form
    56,361.72/77,779.98 = 31,210.68/x
  3. Step 3: Cross multiply
    56,361.72x = 77,779.98 × 31,210.68
  4. Step 4: Simplify right side
    56,361.72x = 2,427,566,066.19
  5. Step 5: Solve for x
    x = 2,427,566,066.19/56,361.72
  6. Step 6: Final answer
    x = 43,071.18

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.