Home / 57,610.92-86,431.50-18,169.32

Finding the Fourth Proportional to 57,610.92, 86,431.50 and 18,169.32

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Solution

The fourth proportional to 57,610.92, 86,431.50 and 18,169.32 is: 27,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,610.92 : 86,431.50 = 18,169.32 : x
  2. Step 2: Convert to fraction form
    57,610.92/86,431.50 = 18,169.32/x
  3. Step 3: Cross multiply
    57,610.92x = 86,431.50 × 18,169.32
  4. Step 4: Simplify right side
    57,610.92x = 1,570,401,581.58
  5. Step 5: Solve for x
    x = 1,570,401,581.58/57,610.92
  6. Step 6: Final answer
    x = 27,258.75

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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.