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Finding the Fourth Proportional to 33,469.31, 50,203.13 and 8,169.01

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Solution

The fourth proportional to 33,469.31, 50,203.13 and 8,169.01 is: 12,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,469.31 : 50,203.13 = 8,169.01 : x
  2. Step 2: Convert to fraction form
    33,469.31/50,203.13 = 8,169.01/x
  3. Step 3: Cross multiply
    33,469.31x = 50,203.13 × 8,169.01
  4. Step 4: Simplify right side
    33,469.31x = 410,109,765.92
  5. Step 5: Solve for x
    x = 410,109,765.92/33,469.31
  6. Step 6: Final answer
    x = 12,253.31

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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.