Home / 36,388.38-50,213.26-20,469.76

Finding the Fourth Proportional to 36,388.38, 50,213.26 and 20,469.76

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Solution

The fourth proportional to 36,388.38, 50,213.26 and 20,469.76 is: 28,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.38 : 50,213.26 = 20,469.76 : x
  2. Step 2: Convert to fraction form
    36,388.38/50,213.26 = 20,469.76/x
  3. Step 3: Cross multiply
    36,388.38x = 50,213.26 × 20,469.76
  4. Step 4: Simplify right side
    36,388.38x = 1,027,853,381.02
  5. Step 5: Solve for x
    x = 1,027,853,381.02/36,388.38
  6. Step 6: Final answer
    x = 28,246.75

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1.5x scale

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.