Home / 54,871.25-82,288.23-15,419.19

Finding the Fourth Proportional to 54,871.25, 82,288.23 and 15,419.19

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Solution

The fourth proportional to 54,871.25, 82,288.23 and 15,419.19 is: 23,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.25 : 82,288.23 = 15,419.19 : x
  2. Step 2: Convert to fraction form
    54,871.25/82,288.23 = 15,419.19/x
  3. Step 3: Cross multiply
    54,871.25x = 82,288.23 × 15,419.19
  4. Step 4: Simplify right side
    54,871.25x = 1,268,817,853.13
  5. Step 5: Solve for x
    x = 1,268,817,853.13/54,871.25
  6. Step 6: Final answer
    x = 23,123.55

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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.