Home / 39,243.38-54,143.89-22,244.90

Finding the Fourth Proportional to 39,243.38, 54,143.89 and 22,244.90

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Solution

The fourth proportional to 39,243.38, 54,143.89 and 22,244.90 is: 30,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.38 : 54,143.89 = 22,244.90 : x
  2. Step 2: Convert to fraction form
    39,243.38/54,143.89 = 22,244.90/x
  3. Step 3: Cross multiply
    39,243.38x = 54,143.89 × 22,244.90
  4. Step 4: Simplify right side
    39,243.38x = 1,204,425,092.33
  5. Step 5: Solve for x
    x = 1,204,425,092.33/39,243.38
  6. Step 6: Final answer
    x = 30,691.17

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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.