Home / 81,512.49-122,260.55-22,354.11

Finding the Fourth Proportional to 81,512.49, 122,260.55 and 22,354.11

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Solution

The fourth proportional to 81,512.49, 122,260.55 and 22,354.11 is: 33,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,512.49 : 122,260.55 = 22,354.11 : x
  2. Step 2: Convert to fraction form
    81,512.49/122,260.55 = 22,354.11/x
  3. Step 3: Cross multiply
    81,512.49x = 122,260.55 × 22,354.11
  4. Step 4: Simplify right side
    81,512.49x = 2,733,025,671.59
  5. Step 5: Solve for x
    x = 2,733,025,671.59/81,512.49
  6. Step 6: Final answer
    x = 33,528.92

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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.