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Finding the Fourth Proportional to 45,332.96, 67,983.17 and 17,245.53

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Solution

The fourth proportional to 45,332.96, 67,983.17 and 17,245.53 is: 25,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.96 : 67,983.17 = 17,245.53 : x
  2. Step 2: Convert to fraction form
    45,332.96/67,983.17 = 17,245.53/x
  3. Step 3: Cross multiply
    45,332.96x = 67,983.17 × 17,245.53
  4. Step 4: Simplify right side
    45,332.96x = 1,172,405,711.50
  5. Step 5: Solve for x
    x = 1,172,405,711.50/45,332.96
  6. Step 6: Final answer
    x = 25,862.11

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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.