Home / 36,786.05-50,761.23-20,649.66

Finding the Fourth Proportional to 36,786.05, 50,761.23 and 20,649.66

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Solution

The fourth proportional to 36,786.05, 50,761.23 and 20,649.66 is: 28,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.05 : 50,761.23 = 20,649.66 : x
  2. Step 2: Convert to fraction form
    36,786.05/50,761.23 = 20,649.66/x
  3. Step 3: Cross multiply
    36,786.05x = 50,761.23 × 20,649.66
  4. Step 4: Simplify right side
    36,786.05x = 1,048,202,140.68
  5. Step 5: Solve for x
    x = 1,048,202,140.68/36,786.05
  6. Step 6: Final answer
    x = 28,494.56

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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.