Home / 50,230.16-75,344.68-12,279.76

Finding the Fourth Proportional to 50,230.16, 75,344.68 and 12,279.76

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Solution

The fourth proportional to 50,230.16, 75,344.68 and 12,279.76 is: 18,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,230.16 : 75,344.68 = 12,279.76 : x
  2. Step 2: Convert to fraction form
    50,230.16/75,344.68 = 12,279.76/x
  3. Step 3: Cross multiply
    50,230.16x = 75,344.68 × 12,279.76
  4. Step 4: Simplify right side
    50,230.16x = 925,214,587.68
  5. Step 5: Solve for x
    x = 925,214,587.68/50,230.16
  6. Step 6: Final answer
    x = 18,419.50

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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.