Home / 36,249.12-50,020.42-20,330.49

Finding the Fourth Proportional to 36,249.12, 50,020.42 and 20,330.49

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Solution

The fourth proportional to 36,249.12, 50,020.42 and 20,330.49 is: 28,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,249.12 : 50,020.42 = 20,330.49 : x
  2. Step 2: Convert to fraction form
    36,249.12/50,020.42 = 20,330.49/x
  3. Step 3: Cross multiply
    36,249.12x = 50,020.42 × 20,330.49
  4. Step 4: Simplify right side
    36,249.12x = 1,016,939,648.61
  5. Step 5: Solve for x
    x = 1,016,939,648.61/36,249.12
  6. Step 6: Final answer
    x = 28,054.19

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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.