Home / 33,328.80-49,993.20-30,103.20

Finding the Fourth Proportional to 33,328.80, 49,993.20 and 30,103.20

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Solution

The fourth proportional to 33,328.80, 49,993.20 and 30,103.20 is: 45,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,328.80 : 49,993.20 = 30,103.20 : x
  2. Step 2: Convert to fraction form
    33,328.80/49,993.20 = 30,103.20/x
  3. Step 3: Cross multiply
    33,328.80x = 49,993.20 × 30,103.20
  4. Step 4: Simplify right side
    33,328.80x = 1,504,955,298.24
  5. Step 5: Solve for x
    x = 1,504,955,298.24/33,328.80
  6. Step 6: Final answer
    x = 45,154.80

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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.