Home / 71,345.92-98,462.94-39,517.84

Finding the Fourth Proportional to 71,345.92, 98,462.94 and 39,517.84

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Solution

The fourth proportional to 71,345.92, 98,462.94 and 39,517.84 is: 54,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,345.92 : 98,462.94 = 39,517.84 : x
  2. Step 2: Convert to fraction form
    71,345.92/98,462.94 = 39,517.84/x
  3. Step 3: Cross multiply
    71,345.92x = 98,462.94 × 39,517.84
  4. Step 4: Simplify right side
    71,345.92x = 3,891,042,708.85
  5. Step 5: Solve for x
    x = 3,891,042,708.85/71,345.92
  6. Step 6: Final answer
    x = 54,537.70

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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.