Home / 38,729.14-58,082.07-13,765.90

Finding the Fourth Proportional to 38,729.14, 58,082.07 and 13,765.90

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Solution

The fourth proportional to 38,729.14, 58,082.07 and 13,765.90 is: 20,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.14 : 58,082.07 = 13,765.90 : x
  2. Step 2: Convert to fraction form
    38,729.14/58,082.07 = 13,765.90/x
  3. Step 3: Cross multiply
    38,729.14x = 58,082.07 × 13,765.90
  4. Step 4: Simplify right side
    38,729.14x = 799,551,967.41
  5. Step 5: Solve for x
    x = 799,551,967.41/38,729.14
  6. Step 6: Final answer
    x = 20,644.71

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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.