Home / 38,092.32-57,160.08-20,561.76

Finding the Fourth Proportional to 38,092.32, 57,160.08 and 20,561.76

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Solution

The fourth proportional to 38,092.32, 57,160.08 and 20,561.76 is: 30,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,092.32 : 57,160.08 = 20,561.76 : x
  2. Step 2: Convert to fraction form
    38,092.32/57,160.08 = 20,561.76/x
  3. Step 3: Cross multiply
    38,092.32x = 57,160.08 × 20,561.76
  4. Step 4: Simplify right side
    38,092.32x = 1,175,311,846.54
  5. Step 5: Solve for x
    x = 1,175,311,846.54/38,092.32
  6. Step 6: Final answer
    x = 30,854.30

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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.