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Finding the Fourth Proportional to 57,997.68, 80,066.54 and 35,654.64

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Solution

The fourth proportional to 57,997.68, 80,066.54 and 35,654.64 is: 49,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,997.68 : 80,066.54 = 35,654.64 : x
  2. Step 2: Convert to fraction form
    57,997.68/80,066.54 = 35,654.64/x
  3. Step 3: Cross multiply
    57,997.68x = 80,066.54 × 35,654.64
  4. Step 4: Simplify right side
    57,997.68x = 2,854,743,481.47
  5. Step 5: Solve for x
    x = 2,854,743,481.47/57,997.68
  6. Step 6: Final answer
    x = 49,221.68

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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.