Home / 38,188.25-57,324.28-30,341.21

Finding the Fourth Proportional to 38,188.25, 57,324.28 and 30,341.21

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Solution

The fourth proportional to 38,188.25, 57,324.28 and 30,341.21 is: 45,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.25 : 57,324.28 = 30,341.21 : x
  2. Step 2: Convert to fraction form
    38,188.25/57,324.28 = 30,341.21/x
  3. Step 3: Cross multiply
    38,188.25x = 57,324.28 × 30,341.21
  4. Step 4: Simplify right side
    38,188.25x = 1,739,288,017.58
  5. Step 5: Solve for x
    x = 1,739,288,017.58/38,188.25
  6. Step 6: Final answer
    x = 45,545.11

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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.