Home / 56,359.92-77,779.04-31,209.42

Finding the Fourth Proportional to 56,359.92, 77,779.04 and 31,209.42

Calculator

Solution

The fourth proportional to 56,359.92, 77,779.04 and 31,209.42 is: 43,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.92 : 77,779.04 = 31,209.42 : x
  2. Step 2: Convert to fraction form
    56,359.92/77,779.04 = 31,209.42/x
  3. Step 3: Cross multiply
    56,359.92x = 77,779.04 × 31,209.42
  4. Step 4: Simplify right side
    56,359.92x = 2,427,438,726.56
  5. Step 5: Solve for x
    x = 2,427,438,726.56/56,359.92
  6. Step 6: Final answer
    x = 43,070.30

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.