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Finding the Fourth Proportional to 81,799.80, 122,702.43 and 22,630.52

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Solution

The fourth proportional to 81,799.80, 122,702.43 and 22,630.52 is: 33,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,799.80 : 122,702.43 = 22,630.52 : x
  2. Step 2: Convert to fraction form
    81,799.80/122,702.43 = 22,630.52/x
  3. Step 3: Cross multiply
    81,799.80x = 122,702.43 × 22,630.52
  4. Step 4: Simplify right side
    81,799.80x = 2,776,819,182.65
  5. Step 5: Solve for x
    x = 2,776,819,182.65/81,799.80
  6. Step 6: Final answer
    x = 33,946.53

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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.