Home / 38,105.87-57,124.78-19,375.43

Finding the Fourth Proportional to 38,105.87, 57,124.78 and 19,375.43

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Solution

The fourth proportional to 38,105.87, 57,124.78 and 19,375.43 is: 29,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.87 : 57,124.78 = 19,375.43 : x
  2. Step 2: Convert to fraction form
    38,105.87/57,124.78 = 19,375.43/x
  3. Step 3: Cross multiply
    38,105.87x = 57,124.78 × 19,375.43
  4. Step 4: Simplify right side
    38,105.87x = 1,106,816,842.09
  5. Step 5: Solve for x
    x = 1,106,816,842.09/38,105.87
  6. Step 6: Final answer
    x = 29,045.84

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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.