Home / 33,279.30-49,889.79-12,517.38

Finding the Fourth Proportional to 33,279.30, 49,889.79 and 12,517.38

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Solution

The fourth proportional to 33,279.30, 49,889.79 and 12,517.38 is: 18,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.30 : 49,889.79 = 12,517.38 : x
  2. Step 2: Convert to fraction form
    33,279.30/49,889.79 = 12,517.38/x
  3. Step 3: Cross multiply
    33,279.30x = 49,889.79 × 12,517.38
  4. Step 4: Simplify right side
    33,279.30x = 624,489,459.55
  5. Step 5: Solve for x
    x = 624,489,459.55/33,279.30
  6. Step 6: Final answer
    x = 18,765.10

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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.