Home / 36,331.20-50,138.33-20,415.33

Finding the Fourth Proportional to 36,331.20, 50,138.33 and 20,415.33

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Solution

The fourth proportional to 36,331.20, 50,138.33 and 20,415.33 is: 28,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.20 : 50,138.33 = 20,415.33 : x
  2. Step 2: Convert to fraction form
    36,331.20/50,138.33 = 20,415.33/x
  3. Step 3: Cross multiply
    36,331.20x = 50,138.33 × 20,415.33
  4. Step 4: Simplify right side
    36,331.20x = 1,023,590,450.52
  5. Step 5: Solve for x
    x = 1,023,590,450.52/36,331.20
  6. Step 6: Final answer
    x = 28,173.87

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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.