Home / 68,857.32-95,020.98-38,229.75

Finding the Fourth Proportional to 68,857.32, 95,020.98 and 38,229.75

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Solution

The fourth proportional to 68,857.32, 95,020.98 and 38,229.75 is: 52,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,857.32 : 95,020.98 = 38,229.75 : x
  2. Step 2: Convert to fraction form
    68,857.32/95,020.98 = 38,229.75/x
  3. Step 3: Cross multiply
    68,857.32x = 95,020.98 × 38,229.75
  4. Step 4: Simplify right side
    68,857.32x = 3,632,628,310.16
  5. Step 5: Solve for x
    x = 3,632,628,310.16/68,857.32
  6. Step 6: Final answer
    x = 52,755.88

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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.