Home / 36,408.15-50,237.96-20,489.49

Finding the Fourth Proportional to 36,408.15, 50,237.96 and 20,489.49

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Solution

The fourth proportional to 36,408.15, 50,237.96 and 20,489.49 is: 28,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.15 : 50,237.96 = 20,489.49 : x
  2. Step 2: Convert to fraction form
    36,408.15/50,237.96 = 20,489.49/x
  3. Step 3: Cross multiply
    36,408.15x = 50,237.96 × 20,489.49
  4. Step 4: Simplify right side
    36,408.15x = 1,029,350,076.59
  5. Step 5: Solve for x
    x = 1,029,350,076.59/36,408.15
  6. Step 6: Final answer
    x = 28,272.52

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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.