Home / 38,729.64-58,082.82-13,766.41

Finding the Fourth Proportional to 38,729.64, 58,082.82 and 13,766.41

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Solution

The fourth proportional to 38,729.64, 58,082.82 and 13,766.41 is: 20,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,729.64 : 58,082.82 = 13,766.41 : x
  2. Step 2: Convert to fraction form
    38,729.64/58,082.82 = 13,766.41/x
  3. Step 3: Cross multiply
    38,729.64x = 58,082.82 × 13,766.41
  4. Step 4: Simplify right side
    38,729.64x = 799,591,914.08
  5. Step 5: Solve for x
    x = 799,591,914.08/38,729.64
  6. Step 6: Final answer
    x = 20,645.48

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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.