Home / 36,334.80-50,142.51-20,418.30

Finding the Fourth Proportional to 36,334.80, 50,142.51 and 20,418.30

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Solution

The fourth proportional to 36,334.80, 50,142.51 and 20,418.30 is: 28,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.80 : 50,142.51 = 20,418.30 : x
  2. Step 2: Convert to fraction form
    36,334.80/50,142.51 = 20,418.30/x
  3. Step 3: Cross multiply
    36,334.80x = 50,142.51 × 20,418.30
  4. Step 4: Simplify right side
    36,334.80x = 1,023,824,811.93
  5. Step 5: Solve for x
    x = 1,023,824,811.93/36,334.80
  6. Step 6: Final answer
    x = 28,177.53

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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.