Home / 40,861.65-61,296.00-11,279.49

Finding the Fourth Proportional to 40,861.65, 61,296.00 and 11,279.49

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Solution

The fourth proportional to 40,861.65, 61,296.00 and 11,279.49 is: 16,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.65 : 61,296.00 = 11,279.49 : x
  2. Step 2: Convert to fraction form
    40,861.65/61,296.00 = 11,279.49/x
  3. Step 3: Cross multiply
    40,861.65x = 61,296.00 × 11,279.49
  4. Step 4: Simplify right side
    40,861.65x = 691,387,562.64
  5. Step 5: Solve for x
    x = 691,387,562.64/40,861.65
  6. Step 6: Final answer
    x = 16,920.21

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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.