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Finding the Fourth Proportional to 36,481.71, 54,722.58 and 8,779.71

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Solution

The fourth proportional to 36,481.71, 54,722.58 and 8,779.71 is: 13,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,481.71 : 54,722.58 = 8,779.71 : x
  2. Step 2: Convert to fraction form
    36,481.71/54,722.58 = 8,779.71/x
  3. Step 3: Cross multiply
    36,481.71x = 54,722.58 × 8,779.71
  4. Step 4: Simplify right side
    36,481.71x = 480,448,382.85
  5. Step 5: Solve for x
    x = 480,448,382.85/36,481.71
  6. Step 6: Final answer
    x = 13,169.57

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Similar ratio
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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.