Home / 36,693.16-50,635.74-20,778.28

Finding the Fourth Proportional to 36,693.16, 50,635.74 and 20,778.28

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Solution

The fourth proportional to 36,693.16, 50,635.74 and 20,778.28 is: 28,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.16 : 50,635.74 = 20,778.28 : x
  2. Step 2: Convert to fraction form
    36,693.16/50,635.74 = 20,778.28/x
  3. Step 3: Cross multiply
    36,693.16x = 50,635.74 × 20,778.28
  4. Step 4: Simplify right side
    36,693.16x = 1,052,123,583.73
  5. Step 5: Solve for x
    x = 1,052,123,583.73/36,693.16
  6. Step 6: Final answer
    x = 28,673.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.