Home / 38,650.14-57,974.58-15,276.78

Finding the Fourth Proportional to 38,650.14, 57,974.58 and 15,276.78

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Solution

The fourth proportional to 38,650.14, 57,974.58 and 15,276.78 is: 22,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.14 : 57,974.58 = 15,276.78 : x
  2. Step 2: Convert to fraction form
    38,650.14/57,974.58 = 15,276.78/x
  3. Step 3: Cross multiply
    38,650.14x = 57,974.58 × 15,276.78
  4. Step 4: Simplify right side
    38,650.14x = 885,664,904.25
  5. Step 5: Solve for x
    x = 885,664,904.25/38,650.14
  6. Step 6: Final answer
    x = 22,914.92

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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.