Home / 41,969.20-62,939.13-12,379.18

Finding the Fourth Proportional to 41,969.20, 62,939.13 and 12,379.18

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Solution

The fourth proportional to 41,969.20, 62,939.13 and 12,379.18 is: 18,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,969.20 : 62,939.13 = 12,379.18 : x
  2. Step 2: Convert to fraction form
    41,969.20/62,939.13 = 12,379.18/x
  3. Step 3: Cross multiply
    41,969.20x = 62,939.13 × 12,379.18
  4. Step 4: Simplify right side
    41,969.20x = 779,134,819.31
  5. Step 5: Solve for x
    x = 779,134,819.31/41,969.20
  6. Step 6: Final answer
    x = 18,564.44

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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.