Home / 38,112.45-57,170.30-11,817.69

Finding the Fourth Proportional to 38,112.45, 57,170.30 and 11,817.69

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Solution

The fourth proportional to 38,112.45, 57,170.30 and 11,817.69 is: 17,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.45 : 57,170.30 = 11,817.69 : x
  2. Step 2: Convert to fraction form
    38,112.45/57,170.30 = 11,817.69/x
  3. Step 3: Cross multiply
    38,112.45x = 57,170.30 × 11,817.69
  4. Step 4: Simplify right side
    38,112.45x = 675,620,823.52
  5. Step 5: Solve for x
    x = 675,620,823.52/38,112.45
  6. Step 6: Final answer
    x = 17,727.04

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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.