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Finding the Fourth Proportional to 54,618, 81,939.96 and 17,682

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Solution

The fourth proportional to 54,618, 81,939.96 and 17,682 is: 26,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618 : 81,939.96 = 17,682 : x
  2. Step 2: Convert to fraction form
    54,618/81,939.96 = 17,682/x
  3. Step 3: Cross multiply
    54,618x = 81,939.96 × 17,682
  4. Step 4: Simplify right side
    54,618x = 1,448,862,372.72
  5. Step 5: Solve for x
    x = 1,448,862,372.72/54,618
  6. Step 6: Final answer
    x = 26,527.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.