Home / 68,947.30-95,144.07-38,318.97

Finding the Fourth Proportional to 68,947.30, 95,144.07 and 38,318.97

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Solution

The fourth proportional to 68,947.30, 95,144.07 and 38,318.97 is: 52,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.30 : 95,144.07 = 38,318.97 : x
  2. Step 2: Convert to fraction form
    68,947.30/95,144.07 = 38,318.97/x
  3. Step 3: Cross multiply
    68,947.30x = 95,144.07 × 38,318.97
  4. Step 4: Simplify right side
    68,947.30x = 3,645,823,048.95
  5. Step 5: Solve for x
    x = 3,645,823,048.95/68,947.30
  6. Step 6: Final answer
    x = 52,878.40

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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.