Home / 33,501.40-50,179.20-20,330.80

Finding the Fourth Proportional to 33,501.40, 50,179.20 and 20,330.80

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Solution

The fourth proportional to 33,501.40, 50,179.20 and 20,330.80 is: 30,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,501.40 : 50,179.20 = 20,330.80 : x
  2. Step 2: Convert to fraction form
    33,501.40/50,179.20 = 20,330.80/x
  3. Step 3: Cross multiply
    33,501.40x = 50,179.20 × 20,330.80
  4. Step 4: Simplify right side
    33,501.40x = 1,020,183,279.36
  5. Step 5: Solve for x
    x = 1,020,183,279.36/33,501.40
  6. Step 6: Final answer
    x = 30,451.96

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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.