Home / 41,391.20-62,086.80-15,114.80

Finding the Fourth Proportional to 41,391.20, 62,086.80 and 15,114.80

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Solution

The fourth proportional to 41,391.20, 62,086.80 and 15,114.80 is: 22,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,391.20 : 62,086.80 = 15,114.80 : x
  2. Step 2: Convert to fraction form
    41,391.20/62,086.80 = 15,114.80/x
  3. Step 3: Cross multiply
    41,391.20x = 62,086.80 × 15,114.80
  4. Step 4: Simplify right side
    41,391.20x = 938,429,564.64
  5. Step 5: Solve for x
    x = 938,429,564.64/41,391.20
  6. Step 6: Final answer
    x = 22,672.20

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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.