Home / 54,127.92-81,140.04-17,166

Finding the Fourth Proportional to 54,127.92, 81,140.04 and 17,166

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Solution

The fourth proportional to 54,127.92, 81,140.04 and 17,166 is: 25,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.92 : 81,140.04 = 17,166 : x
  2. Step 2: Convert to fraction form
    54,127.92/81,140.04 = 17,166/x
  3. Step 3: Cross multiply
    54,127.92x = 81,140.04 × 17,166
  4. Step 4: Simplify right side
    54,127.92x = 1,392,849,926.64
  5. Step 5: Solve for x
    x = 1,392,849,926.64/54,127.92
  6. Step 6: Final answer
    x = 25,732.56

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Why These Related Problems?

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