Home / 54,422.53-81,584.49-19,353.97

Finding the Fourth Proportional to 54,422.53, 81,584.49 and 19,353.97

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Solution

The fourth proportional to 54,422.53, 81,584.49 and 19,353.97 is: 29,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.53 : 81,584.49 = 19,353.97 : x
  2. Step 2: Convert to fraction form
    54,422.53/81,584.49 = 19,353.97/x
  3. Step 3: Cross multiply
    54,422.53x = 81,584.49 × 19,353.97
  4. Step 4: Simplify right side
    54,422.53x = 1,578,983,771.93
  5. Step 5: Solve for x
    x = 1,578,983,771.93/54,422.53
  6. Step 6: Final answer
    x = 29,013.42

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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.