Home / 36,680.92-50,618.12-20,549.78

Finding the Fourth Proportional to 36,680.92, 50,618.12 and 20,549.78

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Solution

The fourth proportional to 36,680.92, 50,618.12 and 20,549.78 is: 28,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.92 : 50,618.12 = 20,549.78 : x
  2. Step 2: Convert to fraction form
    36,680.92/50,618.12 = 20,549.78/x
  3. Step 3: Cross multiply
    36,680.92x = 50,618.12 × 20,549.78
  4. Step 4: Simplify right side
    36,680.92x = 1,040,191,230.01
  5. Step 5: Solve for x
    x = 1,040,191,230.01/36,680.92
  6. Step 6: Final answer
    x = 28,357.83

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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.