Home / 38,561.91-57,819.49-25,218.78

Finding the Fourth Proportional to 38,561.91, 57,819.49 and 25,218.78

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Solution

The fourth proportional to 38,561.91, 57,819.49 and 25,218.78 is: 37,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.91 : 57,819.49 = 25,218.78 : x
  2. Step 2: Convert to fraction form
    38,561.91/57,819.49 = 25,218.78/x
  3. Step 3: Cross multiply
    38,561.91x = 57,819.49 × 25,218.78
  4. Step 4: Simplify right side
    38,561.91x = 1,458,136,998.02
  5. Step 5: Solve for x
    x = 1,458,136,998.02/38,561.91
  6. Step 6: Final answer
    x = 37,812.88

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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.