Home / 40,780.26-61,174.04-15,819.71

Finding the Fourth Proportional to 40,780.26, 61,174.04 and 15,819.71

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Solution

The fourth proportional to 40,780.26, 61,174.04 and 15,819.71 is: 23,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.26 : 61,174.04 = 15,819.71 : x
  2. Step 2: Convert to fraction form
    40,780.26/61,174.04 = 15,819.71/x
  3. Step 3: Cross multiply
    40,780.26x = 61,174.04 × 15,819.71
  4. Step 4: Simplify right side
    40,780.26x = 967,755,187.36
  5. Step 5: Solve for x
    x = 967,755,187.36/40,780.26
  6. Step 6: Final answer
    x = 23,730.97

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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.