Home / 38,480.24-57,730.60-12,185.52

Finding the Fourth Proportional to 38,480.24, 57,730.60 and 12,185.52

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Solution

The fourth proportional to 38,480.24, 57,730.60 and 12,185.52 is: 18,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.24 : 57,730.60 = 12,185.52 : x
  2. Step 2: Convert to fraction form
    38,480.24/57,730.60 = 12,185.52/x
  3. Step 3: Cross multiply
    38,480.24x = 57,730.60 × 12,185.52
  4. Step 4: Simplify right side
    38,480.24x = 703,477,380.91
  5. Step 5: Solve for x
    x = 703,477,380.91/38,480.24
  6. Step 6: Final answer
    x = 18,281.52

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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.