Home / 54,828.78-82,243.20-17,892.78

Finding the Fourth Proportional to 54,828.78, 82,243.20 and 17,892.78

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Solution

The fourth proportional to 54,828.78, 82,243.20 and 17,892.78 is: 26,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.78 : 82,243.20 = 17,892.78 : x
  2. Step 2: Convert to fraction form
    54,828.78/82,243.20 = 17,892.78/x
  3. Step 3: Cross multiply
    54,828.78x = 82,243.20 × 17,892.78
  4. Step 4: Simplify right side
    54,828.78x = 1,471,559,484.10
  5. Step 5: Solve for x
    x = 1,471,559,484.10/54,828.78
  6. Step 6: Final answer
    x = 26,839.18

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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.