Home / 38,550.54-57,825.81-12,250.38

Finding the Fourth Proportional to 38,550.54, 57,825.81 and 12,250.38

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Solution

The fourth proportional to 38,550.54, 57,825.81 and 12,250.38 is: 18,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.54 : 57,825.81 = 12,250.38 : x
  2. Step 2: Convert to fraction form
    38,550.54/57,825.81 = 12,250.38/x
  3. Step 3: Cross multiply
    38,550.54x = 57,825.81 × 12,250.38
  4. Step 4: Simplify right side
    38,550.54x = 708,388,146.31
  5. Step 5: Solve for x
    x = 708,388,146.31/38,550.54
  6. Step 6: Final answer
    x = 18,375.57

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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.