Home / 38,134.26-57,217.86-20,616.48

Finding the Fourth Proportional to 38,134.26, 57,217.86 and 20,616.48

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Solution

The fourth proportional to 38,134.26, 57,217.86 and 20,616.48 is: 30,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134.26 : 57,217.86 = 20,616.48 : x
  2. Step 2: Convert to fraction form
    38,134.26/57,217.86 = 20,616.48/x
  3. Step 3: Cross multiply
    38,134.26x = 57,217.86 × 20,616.48
  4. Step 4: Simplify right side
    38,134.26x = 1,179,630,866.33
  5. Step 5: Solve for x
    x = 1,179,630,866.33/38,134.26
  6. Step 6: Final answer
    x = 30,933.62

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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.