Home / 40,861.71-61,296.10-11,279.55

Finding the Fourth Proportional to 40,861.71, 61,296.10 and 11,279.55

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Solution

The fourth proportional to 40,861.71, 61,296.10 and 11,279.55 is: 16,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,861.71 : 61,296.10 = 11,279.55 : x
  2. Step 2: Convert to fraction form
    40,861.71/61,296.10 = 11,279.55/x
  3. Step 3: Cross multiply
    40,861.71x = 61,296.10 × 11,279.55
  4. Step 4: Simplify right side
    40,861.71x = 691,392,368.36
  5. Step 5: Solve for x
    x = 691,392,368.36/40,861.71
  6. Step 6: Final answer
    x = 16,920.30

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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.