Home / 33,201.31-49,769.97-21,321.58

Finding the Fourth Proportional to 33,201.31, 49,769.97 and 21,321.58

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Solution

The fourth proportional to 33,201.31, 49,769.97 and 21,321.58 is: 31,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.31 : 49,769.97 = 21,321.58 : x
  2. Step 2: Convert to fraction form
    33,201.31/49,769.97 = 21,321.58/x
  3. Step 3: Cross multiply
    33,201.31x = 49,769.97 × 21,321.58
  4. Step 4: Simplify right side
    33,201.31x = 1,061,174,396.95
  5. Step 5: Solve for x
    x = 1,061,174,396.95/33,201.31
  6. Step 6: Final answer
    x = 31,961.82

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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.