Home / 54,423.38-81,635.07-19,363.14

Finding the Fourth Proportional to 54,423.38, 81,635.07 and 19,363.14

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Solution

The fourth proportional to 54,423.38, 81,635.07 and 19,363.14 is: 29,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.38 : 81,635.07 = 19,363.14 : x
  2. Step 2: Convert to fraction form
    54,423.38/81,635.07 = 19,363.14/x
  3. Step 3: Cross multiply
    54,423.38x = 81,635.07 × 19,363.14
  4. Step 4: Simplify right side
    54,423.38x = 1,580,711,289.32
  5. Step 5: Solve for x
    x = 1,580,711,289.32/54,423.38
  6. Step 6: Final answer
    x = 29,044.71

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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.