Home / 81,559.05-122,325.48-22,380.90

Finding the Fourth Proportional to 81,559.05, 122,325.48 and 22,380.90

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Solution

The fourth proportional to 81,559.05, 122,325.48 and 22,380.90 is: 33,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,559.05 : 122,325.48 = 22,380.90 : x
  2. Step 2: Convert to fraction form
    81,559.05/122,325.48 = 22,380.90/x
  3. Step 3: Cross multiply
    81,559.05x = 122,325.48 × 22,380.90
  4. Step 4: Simplify right side
    81,559.05x = 2,737,754,335.33
  5. Step 5: Solve for x
    x = 2,737,754,335.33/81,559.05
  6. Step 6: Final answer
    x = 33,567.76

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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.