Home / 33,722.55-50,549.85-11,520.81

Finding the Fourth Proportional to 33,722.55, 50,549.85 and 11,520.81

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Solution

The fourth proportional to 33,722.55, 50,549.85 and 11,520.81 is: 17,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,722.55 : 50,549.85 = 11,520.81 : x
  2. Step 2: Convert to fraction form
    33,722.55/50,549.85 = 11,520.81/x
  3. Step 3: Cross multiply
    33,722.55x = 50,549.85 × 11,520.81
  4. Step 4: Simplify right side
    33,722.55x = 582,375,217.38
  5. Step 5: Solve for x
    x = 582,375,217.38/33,722.55
  6. Step 6: Final answer
    x = 17,269.61

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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.