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Finding the Fourth Proportional to 63,550, 95,325 and 21,997

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Solution

The fourth proportional to 63,550, 95,325 and 21,997 is: 32,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550 : 95,325 = 21,997 : x
  2. Step 2: Convert to fraction form
    63,550/95,325 = 21,997/x
  3. Step 3: Cross multiply
    63,550x = 95,325 × 21,997
  4. Step 4: Simplify right side
    63,550x = 2,096,864,025
  5. Step 5: Solve for x
    x = 2,096,864,025/63,550
  6. Step 6: Final answer
    x = 32,995.50

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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.