Home / 50,233.60-75,348.08-20,644.16

Finding the Fourth Proportional to 50,233.60, 75,348.08 and 20,644.16

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Solution

The fourth proportional to 50,233.60, 75,348.08 and 20,644.16 is: 30,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,233.60 : 75,348.08 = 20,644.16 : x
  2. Step 2: Convert to fraction form
    50,233.60/75,348.08 = 20,644.16/x
  3. Step 3: Cross multiply
    50,233.60x = 75,348.08 × 20,644.16
  4. Step 4: Simplify right side
    50,233.60x = 1,555,497,819.21
  5. Step 5: Solve for x
    x = 1,555,497,819.21/50,233.60
  6. Step 6: Final answer
    x = 30,965.29

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Double scale
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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.