Home / 39,135.24-54,006.18-22,139.22

Finding the Fourth Proportional to 39,135.24, 54,006.18 and 22,139.22

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Solution

The fourth proportional to 39,135.24, 54,006.18 and 22,139.22 is: 30,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.24 : 54,006.18 = 22,139.22 : x
  2. Step 2: Convert to fraction form
    39,135.24/54,006.18 = 22,139.22/x
  3. Step 3: Cross multiply
    39,135.24x = 54,006.18 × 22,139.22
  4. Step 4: Simplify right side
    39,135.24x = 1,195,654,700.38
  5. Step 5: Solve for x
    x = 1,195,654,700.38/39,135.24
  6. Step 6: Final answer
    x = 30,551.87

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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.