Home / 81,738.48-122,588.28-22,572.96

Finding the Fourth Proportional to 81,738.48, 122,588.28 and 22,572.96

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Solution

The fourth proportional to 81,738.48, 122,588.28 and 22,572.96 is: 33,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738.48 : 122,588.28 = 22,572.96 : x
  2. Step 2: Convert to fraction form
    81,738.48/122,588.28 = 22,572.96/x
  3. Step 3: Cross multiply
    81,738.48x = 122,588.28 × 22,572.96
  4. Step 4: Simplify right side
    81,738.48x = 2,767,180,340.91
  5. Step 5: Solve for x
    x = 2,767,180,340.91/81,738.48
  6. Step 6: Final answer
    x = 33,854.07

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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.