Home / 38,545.44-57,827.31-12,250.20

Finding the Fourth Proportional to 38,545.44, 57,827.31 and 12,250.20

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Solution

The fourth proportional to 38,545.44, 57,827.31 and 12,250.20 is: 18,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,545.44 : 57,827.31 = 12,250.20 : x
  2. Step 2: Convert to fraction form
    38,545.44/57,827.31 = 12,250.20/x
  3. Step 3: Cross multiply
    38,545.44x = 57,827.31 × 12,250.20
  4. Step 4: Simplify right side
    38,545.44x = 708,396,112.96
  5. Step 5: Solve for x
    x = 708,396,112.96/38,545.44
  6. Step 6: Final answer
    x = 18,378.21

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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.