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Finding the Fourth Proportional to 33,278.96, 49,917.48 and 8,654.96

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Solution

The fourth proportional to 33,278.96, 49,917.48 and 8,654.96 is: 12,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.96 : 49,917.48 = 8,654.96 : x
  2. Step 2: Convert to fraction form
    33,278.96/49,917.48 = 8,654.96/x
  3. Step 3: Cross multiply
    33,278.96x = 49,917.48 × 8,654.96
  4. Step 4: Simplify right side
    33,278.96x = 432,033,792.70
  5. Step 5: Solve for x
    x = 432,033,792.70/33,278.96
  6. Step 6: Final answer
    x = 12,982.19

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1.5x scale

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.