Home / 36,046.74-49,745.25-20,131.21

Finding the Fourth Proportional to 36,046.74, 49,745.25 and 20,131.21

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Solution

The fourth proportional to 36,046.74, 49,745.25 and 20,131.21 is: 27,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.74 : 49,745.25 = 20,131.21 : x
  2. Step 2: Convert to fraction form
    36,046.74/49,745.25 = 20,131.21/x
  3. Step 3: Cross multiply
    36,046.74x = 49,745.25 × 20,131.21
  4. Step 4: Simplify right side
    36,046.74x = 1,001,432,074.25
  5. Step 5: Solve for x
    x = 1,001,432,074.25/36,046.74
  6. Step 6: Final answer
    x = 27,781.49

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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.