Home / 53,886.38-80,839.36-22,279.28

Finding the Fourth Proportional to 53,886.38, 80,839.36 and 22,279.28

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Solution

The fourth proportional to 53,886.38, 80,839.36 and 22,279.28 is: 33,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.38 : 80,839.36 = 22,279.28 : x
  2. Step 2: Convert to fraction form
    53,886.38/80,839.36 = 22,279.28/x
  3. Step 3: Cross multiply
    53,886.38x = 80,839.36 × 22,279.28
  4. Step 4: Simplify right side
    53,886.38x = 1,801,042,736.46
  5. Step 5: Solve for x
    x = 1,801,042,736.46/53,886.38
  6. Step 6: Final answer
    x = 33,422.97

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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.