Home / 38,110.91-57,177.90-18,385.79

Finding the Fourth Proportional to 38,110.91, 57,177.90 and 18,385.79

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Solution

The fourth proportional to 38,110.91, 57,177.90 and 18,385.79 is: 27,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.91 : 57,177.90 = 18,385.79 : x
  2. Step 2: Convert to fraction form
    38,110.91/57,177.90 = 18,385.79/x
  3. Step 3: Cross multiply
    38,110.91x = 57,177.90 × 18,385.79
  4. Step 4: Simplify right side
    38,110.91x = 1,051,260,576.15
  5. Step 5: Solve for x
    x = 1,051,260,576.15/38,110.91
  6. Step 6: Final answer
    x = 27,584.25

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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.