Home / 36,786-50,761.17-20,649.62

Finding the Fourth Proportional to 36,786, 50,761.17 and 20,649.62

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Solution

The fourth proportional to 36,786, 50,761.17 and 20,649.62 is: 28,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786 : 50,761.17 = 20,649.62 : x
  2. Step 2: Convert to fraction form
    36,786/50,761.17 = 20,649.62/x
  3. Step 3: Cross multiply
    36,786x = 50,761.17 × 20,649.62
  4. Step 4: Simplify right side
    36,786x = 1,048,198,871.26
  5. Step 5: Solve for x
    x = 1,048,198,871.26/36,786
  6. Step 6: Final answer
    x = 28,494.51

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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.