Home / 40,421.04-55,779.30-22,517.97

Finding the Fourth Proportional to 40,421.04, 55,779.30 and 22,517.97

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Solution

The fourth proportional to 40,421.04, 55,779.30 and 22,517.97 is: 31,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.04 : 55,779.30 = 22,517.97 : x
  2. Step 2: Convert to fraction form
    40,421.04/55,779.30 = 22,517.97/x
  3. Step 3: Cross multiply
    40,421.04x = 55,779.30 × 22,517.97
  4. Step 4: Simplify right side
    40,421.04x = 1,256,036,604.02
  5. Step 5: Solve for x
    x = 1,256,036,604.02/40,421.04
  6. Step 6: Final answer
    x = 31,073.83

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1.5x scale

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.