Home / 49,721.43-74,579.72-18,554.25

Finding the Fourth Proportional to 49,721.43, 74,579.72 and 18,554.25

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Solution

The fourth proportional to 49,721.43, 74,579.72 and 18,554.25 is: 27,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.43 : 74,579.72 = 18,554.25 : x
  2. Step 2: Convert to fraction form
    49,721.43/74,579.72 = 18,554.25/x
  3. Step 3: Cross multiply
    49,721.43x = 74,579.72 × 18,554.25
  4. Step 4: Simplify right side
    49,721.43x = 1,383,770,677.04
  5. Step 5: Solve for x
    x = 1,383,770,677.04/49,721.43
  6. Step 6: Final answer
    x = 27,830.47

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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.