Home / 38,475.60-57,720.84-14,781.36

Finding the Fourth Proportional to 38,475.60, 57,720.84 and 14,781.36

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Solution

The fourth proportional to 38,475.60, 57,720.84 and 14,781.36 is: 22,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.60 : 57,720.84 = 14,781.36 : x
  2. Step 2: Convert to fraction form
    38,475.60/57,720.84 = 14,781.36/x
  3. Step 3: Cross multiply
    38,475.60x = 57,720.84 × 14,781.36
  4. Step 4: Simplify right side
    38,475.60x = 853,192,515.54
  5. Step 5: Solve for x
    x = 853,192,515.54/38,475.60
  6. Step 6: Final answer
    x = 22,174.90

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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.