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Finding the Fourth Proportional to 73,331.46, 101,197.40 and 39,797.46

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Solution

The fourth proportional to 73,331.46, 101,197.40 and 39,797.46 is: 54,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,331.46 : 101,197.40 = 39,797.46 : x
  2. Step 2: Convert to fraction form
    73,331.46/101,197.40 = 39,797.46/x
  3. Step 3: Cross multiply
    73,331.46x = 101,197.40 × 39,797.46
  4. Step 4: Simplify right side
    73,331.46x = 4,027,399,279.62
  5. Step 5: Solve for x
    x = 4,027,399,279.62/73,331.46
  6. Step 6: Final answer
    x = 54,920.48

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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.