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Finding the Fourth Proportional to 67,001.31, 100,502.37 and 22,628.30

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Solution

The fourth proportional to 67,001.31, 100,502.37 and 22,628.30 is: 33,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.31 : 100,502.37 = 22,628.30 : x
  2. Step 2: Convert to fraction form
    67,001.31/100,502.37 = 22,628.30/x
  3. Step 3: Cross multiply
    67,001.31x = 100,502.37 × 22,628.30
  4. Step 4: Simplify right side
    67,001.31x = 2,274,197,276.56
  5. Step 5: Solve for x
    x = 2,274,197,276.56/67,001.31
  6. Step 6: Final answer
    x = 33,942.58

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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.