Home / 49,720.43-74,578.22-18,553.25

Finding the Fourth Proportional to 49,720.43, 74,578.22 and 18,553.25

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Solution

The fourth proportional to 49,720.43, 74,578.22 and 18,553.25 is: 27,828.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.43 : 74,578.22 = 18,553.25 : x
  2. Step 2: Convert to fraction form
    49,720.43/74,578.22 = 18,553.25/x
  3. Step 3: Cross multiply
    49,720.43x = 74,578.22 × 18,553.25
  4. Step 4: Simplify right side
    49,720.43x = 1,383,668,267.45
  5. Step 5: Solve for x
    x = 1,383,668,267.45/49,720.43
  6. Step 6: Final answer
    x = 27,828.97

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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.