Home / 38,102.40-57,190.49-18,394.79

Finding the Fourth Proportional to 38,102.40, 57,190.49 and 18,394.79

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Solution

The fourth proportional to 38,102.40, 57,190.49 and 18,394.79 is: 27,609.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.40 : 57,190.49 = 18,394.79 : x
  2. Step 2: Convert to fraction form
    38,102.40/57,190.49 = 18,394.79/x
  3. Step 3: Cross multiply
    38,102.40x = 57,190.49 × 18,394.79
  4. Step 4: Simplify right side
    38,102.40x = 1,052,006,744.60
  5. Step 5: Solve for x
    x = 1,052,006,744.60/38,102.40
  6. Step 6: Final answer
    x = 27,609.99

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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.