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Finding the Fourth Proportional to 67,253.97, 92,807.48 and 38,553.05

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Solution

The fourth proportional to 67,253.97, 92,807.48 and 38,553.05 is: 53,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.97 : 92,807.48 = 38,553.05 : x
  2. Step 2: Convert to fraction form
    67,253.97/92,807.48 = 38,553.05/x
  3. Step 3: Cross multiply
    67,253.97x = 92,807.48 × 38,553.05
  4. Step 4: Simplify right side
    67,253.97x = 3,578,011,375.76
  5. Step 5: Solve for x
    x = 3,578,011,375.76/67,253.97
  6. Step 6: Final answer
    x = 53,201.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.