Home / 50,186.68-75,280.34-15,126.20

Finding the Fourth Proportional to 50,186.68, 75,280.34 and 15,126.20

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Solution

The fourth proportional to 50,186.68, 75,280.34 and 15,126.20 is: 22,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,186.68 : 75,280.34 = 15,126.20 : x
  2. Step 2: Convert to fraction form
    50,186.68/75,280.34 = 15,126.20/x
  3. Step 3: Cross multiply
    50,186.68x = 75,280.34 × 15,126.20
  4. Step 4: Simplify right side
    50,186.68x = 1,138,705,478.91
  5. Step 5: Solve for x
    x = 1,138,705,478.91/50,186.68
  6. Step 6: Final answer
    x = 22,689.40

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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.