Home / 39,432.57-54,416.89-25,285.38

Finding the Fourth Proportional to 39,432.57, 54,416.89 and 25,285.38

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Solution

The fourth proportional to 39,432.57, 54,416.89 and 25,285.38 is: 34,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.57 : 54,416.89 = 25,285.38 : x
  2. Step 2: Convert to fraction form
    39,432.57/54,416.89 = 25,285.38/x
  3. Step 3: Cross multiply
    39,432.57x = 54,416.89 × 25,285.38
  4. Step 4: Simplify right side
    39,432.57x = 1,375,951,742.07
  5. Step 5: Solve for x
    x = 1,375,951,742.07/39,432.57
  6. Step 6: Final answer
    x = 34,893.79

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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.