Home / 69,217.73-103,850.68-21,840.13

Finding the Fourth Proportional to 69,217.73, 103,850.68 and 21,840.13

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Solution

The fourth proportional to 69,217.73, 103,850.68 and 21,840.13 is: 32,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,217.73 : 103,850.68 = 21,840.13 : x
  2. Step 2: Convert to fraction form
    69,217.73/103,850.68 = 21,840.13/x
  3. Step 3: Cross multiply
    69,217.73x = 103,850.68 × 21,840.13
  4. Step 4: Simplify right side
    69,217.73x = 2,268,112,351.79
  5. Step 5: Solve for x
    x = 2,268,112,351.79/69,217.73
  6. Step 6: Final answer
    x = 32,767.80

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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.