Home / 38,428.60-57,470.10-32,207.80

Finding the Fourth Proportional to 38,428.60, 57,470.10 and 32,207.80

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Solution

The fourth proportional to 38,428.60, 57,470.10 and 32,207.80 is: 48,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.60 : 57,470.10 = 32,207.80 : x
  2. Step 2: Convert to fraction form
    38,428.60/57,470.10 = 32,207.80/x
  3. Step 3: Cross multiply
    38,428.60x = 57,470.10 × 32,207.80
  4. Step 4: Simplify right side
    38,428.60x = 1,850,985,486.78
  5. Step 5: Solve for x
    x = 1,850,985,486.78/38,428.60
  6. Step 6: Final answer
    x = 48,166.87

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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.