Home / 33,452.40-50,154.30-13,720.80

Finding the Fourth Proportional to 33,452.40, 50,154.30 and 13,720.80

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Solution

The fourth proportional to 33,452.40, 50,154.30 and 13,720.80 is: 20,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,452.40 : 50,154.30 = 13,720.80 : x
  2. Step 2: Convert to fraction form
    33,452.40/50,154.30 = 13,720.80/x
  3. Step 3: Cross multiply
    33,452.40x = 50,154.30 × 13,720.80
  4. Step 4: Simplify right side
    33,452.40x = 688,157,119.44
  5. Step 5: Solve for x
    x = 688,157,119.44/33,452.40
  6. Step 6: Final answer
    x = 20,571.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.