Home / 41,786.06-62,679.12-20,740.64

Finding the Fourth Proportional to 41,786.06, 62,679.12 and 20,740.64

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Solution

The fourth proportional to 41,786.06, 62,679.12 and 20,740.64 is: 31,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,786.06 : 62,679.12 = 20,740.64 : x
  2. Step 2: Convert to fraction form
    41,786.06/62,679.12 = 20,740.64/x
  3. Step 3: Cross multiply
    41,786.06x = 62,679.12 × 20,740.64
  4. Step 4: Simplify right side
    41,786.06x = 1,300,004,959.73
  5. Step 5: Solve for x
    x = 1,300,004,959.73/41,786.06
  6. Step 6: Final answer
    x = 31,110.97

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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.