Home / 36,321.60-54,352.80-33,211.20

Finding the Fourth Proportional to 36,321.60, 54,352.80 and 33,211.20

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Solution

The fourth proportional to 36,321.60, 54,352.80 and 33,211.20 is: 49,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,321.60 : 54,352.80 = 33,211.20 : x
  2. Step 2: Convert to fraction form
    36,321.60/54,352.80 = 33,211.20/x
  3. Step 3: Cross multiply
    36,321.60x = 54,352.80 × 33,211.20
  4. Step 4: Simplify right side
    36,321.60x = 1,805,121,711.36
  5. Step 5: Solve for x
    x = 1,805,121,711.36/36,321.60
  6. Step 6: Final answer
    x = 49,698.30

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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.