Home / 38,143.44-57,174.75-18,380.25

Finding the Fourth Proportional to 38,143.44, 57,174.75 and 18,380.25

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Solution

The fourth proportional to 38,143.44, 57,174.75 and 18,380.25 is: 27,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.44 : 57,174.75 = 18,380.25 : x
  2. Step 2: Convert to fraction form
    38,143.44/57,174.75 = 18,380.25/x
  3. Step 3: Cross multiply
    38,143.44x = 57,174.75 × 18,380.25
  4. Step 4: Simplify right side
    38,143.44x = 1,050,886,198.69
  5. Step 5: Solve for x
    x = 1,050,886,198.69/38,143.44
  6. Step 6: Final answer
    x = 27,550.90

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1.5x scale

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.