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Finding the Fourth Proportional to 73,937.44, 110,902.92 and 21,349.12

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Solution

The fourth proportional to 73,937.44, 110,902.92 and 21,349.12 is: 32,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,937.44 : 110,902.92 = 21,349.12 : x
  2. Step 2: Convert to fraction form
    73,937.44/110,902.92 = 21,349.12/x
  3. Step 3: Cross multiply
    73,937.44x = 110,902.92 × 21,349.12
  4. Step 4: Simplify right side
    73,937.44x = 2,367,679,747.43
  5. Step 5: Solve for x
    x = 2,367,679,747.43/73,937.44
  6. Step 6: Final answer
    x = 32,022.74

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1.5x scale

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.