Home / 81,499.03-122,229.81-22,339.30

Finding the Fourth Proportional to 81,499.03, 122,229.81 and 22,339.30

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Solution

The fourth proportional to 81,499.03, 122,229.81 and 22,339.30 is: 33,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,499.03 : 122,229.81 = 22,339.30 : x
  2. Step 2: Convert to fraction form
    81,499.03/122,229.81 = 22,339.30/x
  3. Step 3: Cross multiply
    81,499.03x = 122,229.81 × 22,339.30
  4. Step 4: Simplify right side
    81,499.03x = 2,730,528,394.53
  5. Step 5: Solve for x
    x = 2,730,528,394.53/81,499.03
  6. Step 6: Final answer
    x = 33,503.81

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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.