Home / 38,309.90-57,414.26-29,391.16

Finding the Fourth Proportional to 38,309.90, 57,414.26 and 29,391.16

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Solution

The fourth proportional to 38,309.90, 57,414.26 and 29,391.16 is: 44,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.90 : 57,414.26 = 29,391.16 : x
  2. Step 2: Convert to fraction form
    38,309.90/57,414.26 = 29,391.16/x
  3. Step 3: Cross multiply
    38,309.90x = 57,414.26 × 29,391.16
  4. Step 4: Simplify right side
    38,309.90x = 1,687,471,631.88
  5. Step 5: Solve for x
    x = 1,687,471,631.88/38,309.90
  6. Step 6: Final answer
    x = 44,047.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.