Home / 81,508.20-122,262.18-22,348.48

Finding the Fourth Proportional to 81,508.20, 122,262.18 and 22,348.48

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Solution

The fourth proportional to 81,508.20, 122,262.18 and 22,348.48 is: 33,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.20 : 122,262.18 = 22,348.48 : x
  2. Step 2: Convert to fraction form
    81,508.20/122,262.18 = 22,348.48/x
  3. Step 3: Cross multiply
    81,508.20x = 122,262.18 × 22,348.48
  4. Step 4: Simplify right side
    81,508.20x = 2,732,373,884.49
  5. Step 5: Solve for x
    x = 2,732,373,884.49/81,508.20
  6. Step 6: Final answer
    x = 33,522.69

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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.