Home / 36,408.89-50,245.21-20,493.91

Finding the Fourth Proportional to 36,408.89, 50,245.21 and 20,493.91

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Solution

The fourth proportional to 36,408.89, 50,245.21 and 20,493.91 is: 28,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.89 : 50,245.21 = 20,493.91 : x
  2. Step 2: Convert to fraction form
    36,408.89/50,245.21 = 20,493.91/x
  3. Step 3: Cross multiply
    36,408.89x = 50,245.21 × 20,493.91
  4. Step 4: Simplify right side
    36,408.89x = 1,029,720,900.10
  5. Step 5: Solve for x
    x = 1,029,720,900.10/36,408.89
  6. Step 6: Final answer
    x = 28,282.13

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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.