Home / 41,131.20-61,711.20-14,836.80

Finding the Fourth Proportional to 41,131.20, 61,711.20 and 14,836.80

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Solution

The fourth proportional to 41,131.20, 61,711.20 and 14,836.80 is: 22,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.20 : 61,711.20 = 14,836.80 : x
  2. Step 2: Convert to fraction form
    41,131.20/61,711.20 = 14,836.80/x
  3. Step 3: Cross multiply
    41,131.20x = 61,711.20 × 14,836.80
  4. Step 4: Simplify right side
    41,131.20x = 915,596,732.16
  5. Step 5: Solve for x
    x = 915,596,732.16/41,131.20
  6. Step 6: Final answer
    x = 22,260.39

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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.