Home / 84,824.30-127,240.82-21,644.97

Finding the Fourth Proportional to 84,824.30, 127,240.82 and 21,644.97

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Solution

The fourth proportional to 84,824.30, 127,240.82 and 21,644.97 is: 32,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,824.30 : 127,240.82 = 21,644.97 : x
  2. Step 2: Convert to fraction form
    84,824.30/127,240.82 = 21,644.97/x
  3. Step 3: Cross multiply
    84,824.30x = 127,240.82 × 21,644.97
  4. Step 4: Simplify right side
    84,824.30x = 2,754,123,623.45
  5. Step 5: Solve for x
    x = 2,754,123,623.45/84,824.30
  6. Step 6: Final answer
    x = 32,468.57

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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.