Home / 40,901.20-61,343.70-19,841.20

Finding the Fourth Proportional to 40,901.20, 61,343.70 and 19,841.20

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Solution

The fourth proportional to 40,901.20, 61,343.70 and 19,841.20 is: 29,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,901.20 : 61,343.70 = 19,841.20 : x
  2. Step 2: Convert to fraction form
    40,901.20/61,343.70 = 19,841.20/x
  3. Step 3: Cross multiply
    40,901.20x = 61,343.70 × 19,841.20
  4. Step 4: Simplify right side
    40,901.20x = 1,217,132,620.44
  5. Step 5: Solve for x
    x = 1,217,132,620.44/40,901.20
  6. Step 6: Final answer
    x = 29,757.87

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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.