Home / 68,979.24-95,190.86-38,763.91

Finding the Fourth Proportional to 68,979.24, 95,190.86 and 38,763.91

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Solution

The fourth proportional to 68,979.24, 95,190.86 and 38,763.91 is: 53,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.24 : 95,190.86 = 38,763.91 : x
  2. Step 2: Convert to fraction form
    68,979.24/95,190.86 = 38,763.91/x
  3. Step 3: Cross multiply
    68,979.24x = 95,190.86 × 38,763.91
  4. Step 4: Simplify right side
    68,979.24x = 3,689,969,736.04
  5. Step 5: Solve for x
    x = 3,689,969,736.04/68,979.24
  6. Step 6: Final answer
    x = 53,493.92

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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.