Home / 57,610.38-86,415.58-18,170.57

Finding the Fourth Proportional to 57,610.38, 86,415.58 and 18,170.57

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Solution

The fourth proportional to 57,610.38, 86,415.58 and 18,170.57 is: 27,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,610.38 : 86,415.58 = 18,170.57 : x
  2. Step 2: Convert to fraction form
    57,610.38/86,415.58 = 18,170.57/x
  3. Step 3: Cross multiply
    57,610.38x = 86,415.58 × 18,170.57
  4. Step 4: Simplify right side
    57,610.38x = 1,570,220,459.59
  5. Step 5: Solve for x
    x = 1,570,220,459.59/57,610.38
  6. Step 6: Final answer
    x = 27,255.86

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Similar ratio
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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.