Home / 81,815.00-122,708.82-22,656.65

Finding the Fourth Proportional to 81,815.00, 122,708.82 and 22,656.65

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Solution

The fourth proportional to 81,815.00, 122,708.82 and 22,656.65 is: 33,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815.00 : 122,708.82 = 22,656.65 : x
  2. Step 2: Convert to fraction form
    81,815.00/122,708.82 = 22,656.65/x
  3. Step 3: Cross multiply
    81,815.00x = 122,708.82 × 22,656.65
  4. Step 4: Simplify right side
    81,815.00x = 2,780,170,258.07
  5. Step 5: Solve for x
    x = 2,780,170,258.07/81,815.00
  6. Step 6: Final answer
    x = 33,981.18

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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.