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Finding the Fourth Proportional to 29,717.33, 44,578.05 and 8,657.55

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Solution

The fourth proportional to 29,717.33, 44,578.05 and 8,657.55 is: 12,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,717.33 : 44,578.05 = 8,657.55 : x
  2. Step 2: Convert to fraction form
    29,717.33/44,578.05 = 8,657.55/x
  3. Step 3: Cross multiply
    29,717.33x = 44,578.05 × 8,657.55
  4. Step 4: Simplify right side
    29,717.33x = 385,936,696.78
  5. Step 5: Solve for x
    x = 385,936,696.78/29,717.33
  6. Step 6: Final answer
    x = 12,986.92

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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.