Home / 33,269.20-49,903.80-20,147.20

Finding the Fourth Proportional to 33,269.20, 49,903.80 and 20,147.20

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Solution

The fourth proportional to 33,269.20, 49,903.80 and 20,147.20 is: 30,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.20 : 49,903.80 = 20,147.20 : x
  2. Step 2: Convert to fraction form
    33,269.20/49,903.80 = 20,147.20/x
  3. Step 3: Cross multiply
    33,269.20x = 49,903.80 × 20,147.20
  4. Step 4: Simplify right side
    33,269.20x = 1,005,421,839.36
  5. Step 5: Solve for x
    x = 1,005,421,839.36/33,269.20
  6. Step 6: Final answer
    x = 30,220.80

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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.