Home / 81,697.14-122,549.73-22,531.50

Finding the Fourth Proportional to 81,697.14, 122,549.73 and 22,531.50

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Solution

The fourth proportional to 81,697.14, 122,549.73 and 22,531.50 is: 33,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,697.14 : 122,549.73 = 22,531.50 : x
  2. Step 2: Convert to fraction form
    81,697.14/122,549.73 = 22,531.50/x
  3. Step 3: Cross multiply
    81,697.14x = 122,549.73 × 22,531.50
  4. Step 4: Simplify right side
    81,697.14x = 2,761,229,241.50
  5. Step 5: Solve for x
    x = 2,761,229,241.50/81,697.14
  6. Step 6: Final answer
    x = 33,798.36

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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.