Home / 54,858.42-82,287.60-15,414.66

Finding the Fourth Proportional to 54,858.42, 82,287.60 and 15,414.66

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Solution

The fourth proportional to 54,858.42, 82,287.60 and 15,414.66 is: 23,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.42 : 82,287.60 = 15,414.66 : x
  2. Step 2: Convert to fraction form
    54,858.42/82,287.60 = 15,414.66/x
  3. Step 3: Cross multiply
    54,858.42x = 82,287.60 × 15,414.66
  4. Step 4: Simplify right side
    54,858.42x = 1,268,435,376.22
  5. Step 5: Solve for x
    x = 1,268,435,376.22/54,858.42
  6. Step 6: Final answer
    x = 23,121.98

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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.