Home / 37,091.32-55,645.18-20,442.78

Finding the Fourth Proportional to 37,091.32, 55,645.18 and 20,442.78

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Solution

The fourth proportional to 37,091.32, 55,645.18 and 20,442.78 is: 30,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,091.32 : 55,645.18 = 20,442.78 : x
  2. Step 2: Convert to fraction form
    37,091.32/55,645.18 = 20,442.78/x
  3. Step 3: Cross multiply
    37,091.32x = 55,645.18 × 20,442.78
  4. Step 4: Simplify right side
    37,091.32x = 1,137,542,121.69
  5. Step 5: Solve for x
    x = 1,137,542,121.69/37,091.32
  6. Step 6: Final answer
    x = 30,668.69

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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.