Home / 39,185.20-58,765.92-11,103.04

Finding the Fourth Proportional to 39,185.20, 58,765.92 and 11,103.04

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Solution

The fourth proportional to 39,185.20, 58,765.92 and 11,103.04 is: 16,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,185.20 : 58,765.92 = 11,103.04 : x
  2. Step 2: Convert to fraction form
    39,185.20/58,765.92 = 11,103.04/x
  3. Step 3: Cross multiply
    39,185.20x = 58,765.92 × 11,103.04
  4. Step 4: Simplify right side
    39,185.20x = 652,480,360.40
  5. Step 5: Solve for x
    x = 652,480,360.40/39,185.20
  6. Step 6: Final answer
    x = 16,651.19

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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.