Home / 45,183.33-67,798.25-21,517.71

Finding the Fourth Proportional to 45,183.33, 67,798.25 and 21,517.71

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Solution

The fourth proportional to 45,183.33, 67,798.25 and 21,517.71 is: 32,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.33 : 67,798.25 = 21,517.71 : x
  2. Step 2: Convert to fraction form
    45,183.33/67,798.25 = 21,517.71/x
  3. Step 3: Cross multiply
    45,183.33x = 67,798.25 × 21,517.71
  4. Step 4: Simplify right side
    45,183.33x = 1,458,862,974.42
  5. Step 5: Solve for x
    x = 1,458,862,974.42/45,183.33
  6. Step 6: Final answer
    x = 32,287.64

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1.5x scale

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.