Home / 54,812.90-82,221.68-17,372.17

Finding the Fourth Proportional to 54,812.90, 82,221.68 and 17,372.17

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Solution

The fourth proportional to 54,812.90, 82,221.68 and 17,372.17 is: 26,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.90 : 82,221.68 = 17,372.17 : x
  2. Step 2: Convert to fraction form
    54,812.90/82,221.68 = 17,372.17/x
  3. Step 3: Cross multiply
    54,812.90x = 82,221.68 × 17,372.17
  4. Step 4: Simplify right side
    54,812.90x = 1,428,369,148.85
  5. Step 5: Solve for x
    x = 1,428,369,148.85/54,812.90
  6. Step 6: Final answer
    x = 26,058.99

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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.