Home / 81,508.32-122,262.37-22,348.60

Finding the Fourth Proportional to 81,508.32, 122,262.37 and 22,348.60

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Solution

The fourth proportional to 81,508.32, 122,262.37 and 22,348.60 is: 33,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.32 : 122,262.37 = 22,348.60 : x
  2. Step 2: Convert to fraction form
    81,508.32/122,262.37 = 22,348.60/x
  3. Step 3: Cross multiply
    81,508.32x = 122,262.37 × 22,348.60
  4. Step 4: Simplify right side
    81,508.32x = 2,732,392,440.65
  5. Step 5: Solve for x
    x = 2,732,392,440.65/81,508.32
  6. Step 6: Final answer
    x = 33,522.87

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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.