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Finding the Fourth Proportional to 33,318, 49,979.88 and 8,694

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Solution

The fourth proportional to 33,318, 49,979.88 and 8,694 is: 13,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318 : 49,979.88 = 8,694 : x
  2. Step 2: Convert to fraction form
    33,318/49,979.88 = 8,694/x
  3. Step 3: Cross multiply
    33,318x = 49,979.88 × 8,694
  4. Step 4: Simplify right side
    33,318x = 434,525,076.72
  5. Step 5: Solve for x
    x = 434,525,076.72/33,318
  6. Step 6: Final answer
    x = 13,041.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.