Home / 38,166.14-57,241.92-11,871.20

Finding the Fourth Proportional to 38,166.14, 57,241.92 and 11,871.20

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Solution

The fourth proportional to 38,166.14, 57,241.92 and 11,871.20 is: 17,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.14 : 57,241.92 = 11,871.20 : x
  2. Step 2: Convert to fraction form
    38,166.14/57,241.92 = 11,871.20/x
  3. Step 3: Cross multiply
    38,166.14x = 57,241.92 × 11,871.20
  4. Step 4: Simplify right side
    38,166.14x = 679,530,280.70
  5. Step 5: Solve for x
    x = 679,530,280.70/38,166.14
  6. Step 6: Final answer
    x = 17,804.53

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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.