Home / 57,618.28-86,427.42-18,179.38

Finding the Fourth Proportional to 57,618.28, 86,427.42 and 18,179.38

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Solution

The fourth proportional to 57,618.28, 86,427.42 and 18,179.38 is: 27,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.28 : 86,427.42 = 18,179.38 : x
  2. Step 2: Convert to fraction form
    57,618.28/86,427.42 = 18,179.38/x
  3. Step 3: Cross multiply
    57,618.28x = 86,427.42 × 18,179.38
  4. Step 4: Simplify right side
    57,618.28x = 1,571,196,910.60
  5. Step 5: Solve for x
    x = 1,571,196,910.60/57,618.28
  6. Step 6: Final answer
    x = 27,269.07

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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.