Home / 33,421.20-50,131.80-20,266.80

Finding the Fourth Proportional to 33,421.20, 50,131.80 and 20,266.80

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Solution

The fourth proportional to 33,421.20, 50,131.80 and 20,266.80 is: 30,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.20 : 50,131.80 = 20,266.80 : x
  2. Step 2: Convert to fraction form
    33,421.20/50,131.80 = 20,266.80/x
  3. Step 3: Cross multiply
    33,421.20x = 50,131.80 × 20,266.80
  4. Step 4: Simplify right side
    33,421.20x = 1,016,011,164.24
  5. Step 5: Solve for x
    x = 1,016,011,164.24/33,421.20
  6. Step 6: Final answer
    x = 30,400.20

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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.