Home / 57,034.62-85,427.22-28,906.38

Finding the Fourth Proportional to 57,034.62, 85,427.22 and 28,906.38

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Solution

The fourth proportional to 57,034.62, 85,427.22 and 28,906.38 is: 43,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.62 : 85,427.22 = 28,906.38 : x
  2. Step 2: Convert to fraction form
    57,034.62/85,427.22 = 28,906.38/x
  3. Step 3: Cross multiply
    57,034.62x = 85,427.22 × 28,906.38
  4. Step 4: Simplify right side
    57,034.62x = 2,469,391,683.66
  5. Step 5: Solve for x
    x = 2,469,391,683.66/57,034.62
  6. Step 6: Final answer
    x = 43,296.36

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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.