Home / 49,423.38-74,135.05-19,841.20

Finding the Fourth Proportional to 49,423.38, 74,135.05 and 19,841.20

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Solution

The fourth proportional to 49,423.38, 74,135.05 and 19,841.20 is: 29,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.38 : 74,135.05 = 19,841.20 : x
  2. Step 2: Convert to fraction form
    49,423.38/74,135.05 = 19,841.20/x
  3. Step 3: Cross multiply
    49,423.38x = 74,135.05 × 19,841.20
  4. Step 4: Simplify right side
    49,423.38x = 1,470,928,536.13
  5. Step 5: Solve for x
    x = 1,470,928,536.13/49,423.38
  6. Step 6: Final answer
    x = 29,761.80

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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.