Home / 36,336.30-50,144.58-20,419.80

Finding the Fourth Proportional to 36,336.30, 50,144.58 and 20,419.80

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Solution

The fourth proportional to 36,336.30, 50,144.58 and 20,419.80 is: 28,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.30 : 50,144.58 = 20,419.80 : x
  2. Step 2: Convert to fraction form
    36,336.30/50,144.58 = 20,419.80/x
  3. Step 3: Cross multiply
    36,336.30x = 50,144.58 × 20,419.80
  4. Step 4: Simplify right side
    36,336.30x = 1,023,942,294.68
  5. Step 5: Solve for x
    x = 1,023,942,294.68/36,336.30
  6. Step 6: Final answer
    x = 28,179.60

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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.