Home / 29,918.50-41,286.98-16,489.80

Finding the Fourth Proportional to 29,918.50, 41,286.98 and 16,489.80

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Solution

The fourth proportional to 29,918.50, 41,286.98 and 16,489.80 is: 22,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.50 : 41,286.98 = 16,489.80 : x
  2. Step 2: Convert to fraction form
    29,918.50/41,286.98 = 16,489.80/x
  3. Step 3: Cross multiply
    29,918.50x = 41,286.98 × 16,489.80
  4. Step 4: Simplify right side
    29,918.50x = 680,814,084.03
  5. Step 5: Solve for x
    x = 680,814,084.03/29,918.50
  6. Step 6: Final answer
    x = 22,755.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.