Home / 81,529.52-122,294.46-22,366.04

Finding the Fourth Proportional to 81,529.52, 122,294.46 and 22,366.04

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Solution

The fourth proportional to 81,529.52, 122,294.46 and 22,366.04 is: 33,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,529.52 : 122,294.46 = 22,366.04 : x
  2. Step 2: Convert to fraction form
    81,529.52/122,294.46 = 22,366.04/x
  3. Step 3: Cross multiply
    81,529.52x = 122,294.46 × 22,366.04
  4. Step 4: Simplify right side
    81,529.52x = 2,735,242,784.14
  5. Step 5: Solve for x
    x = 2,735,242,784.14/81,529.52
  6. Step 6: Final answer
    x = 33,549.11

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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.