Home / 71,463.84-98,619.96-39,631.92

Finding the Fourth Proportional to 71,463.84, 98,619.96 and 39,631.92

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Solution

The fourth proportional to 71,463.84, 98,619.96 and 39,631.92 is: 54,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,463.84 : 98,619.96 = 39,631.92 : x
  2. Step 2: Convert to fraction form
    71,463.84/98,619.96 = 39,631.92/x
  3. Step 3: Cross multiply
    71,463.84x = 98,619.96 × 39,631.92
  4. Step 4: Simplify right side
    71,463.84x = 3,908,498,365.12
  5. Step 5: Solve for x
    x = 3,908,498,365.12/71,463.84
  6. Step 6: Final answer
    x = 54,691.97

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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.