Home / 38,491.92-57,727.68-15,118.56

Finding the Fourth Proportional to 38,491.92, 57,727.68 and 15,118.56

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Solution

The fourth proportional to 38,491.92, 57,727.68 and 15,118.56 is: 22,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.92 : 57,727.68 = 15,118.56 : x
  2. Step 2: Convert to fraction form
    38,491.92/57,727.68 = 15,118.56/x
  3. Step 3: Cross multiply
    38,491.92x = 57,727.68 × 15,118.56
  4. Step 4: Simplify right side
    38,491.92x = 872,759,393.74
  5. Step 5: Solve for x
    x = 872,759,393.74/38,491.92
  6. Step 6: Final answer
    x = 22,673.83

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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.