Home / 81,801.73-122,705.33-22,632.45

Finding the Fourth Proportional to 81,801.73, 122,705.33 and 22,632.45

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Solution

The fourth proportional to 81,801.73, 122,705.33 and 22,632.45 is: 33,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,801.73 : 122,705.33 = 22,632.45 : x
  2. Step 2: Convert to fraction form
    81,801.73/122,705.33 = 22,632.45/x
  3. Step 3: Cross multiply
    81,801.73x = 122,705.33 × 22,632.45
  4. Step 4: Simplify right side
    81,801.73x = 2,777,122,245.96
  5. Step 5: Solve for x
    x = 2,777,122,245.96/81,801.73
  6. Step 6: Final answer
    x = 33,949.43

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1.5x scale

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.