Home / 41,121.20-61,644-14,819.52

Finding the Fourth Proportional to 41,121.20, 61,644 and 14,819.52

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Solution

The fourth proportional to 41,121.20, 61,644 and 14,819.52 is: 22,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.20 : 61,644 = 14,819.52 : x
  2. Step 2: Convert to fraction form
    41,121.20/61,644 = 14,819.52/x
  3. Step 3: Cross multiply
    41,121.20x = 61,644 × 14,819.52
  4. Step 4: Simplify right side
    41,121.20x = 913,534,490.88
  5. Step 5: Solve for x
    x = 913,534,490.88/41,121.20
  6. Step 6: Final answer
    x = 22,215.66

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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.