Home / 32,619.20-48,928.80-22,121.60

Finding the Fourth Proportional to 32,619.20, 48,928.80 and 22,121.60

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Solution

The fourth proportional to 32,619.20, 48,928.80 and 22,121.60 is: 33,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.20 : 48,928.80 = 22,121.60 : x
  2. Step 2: Convert to fraction form
    32,619.20/48,928.80 = 22,121.60/x
  3. Step 3: Cross multiply
    32,619.20x = 48,928.80 × 22,121.60
  4. Step 4: Simplify right side
    32,619.20x = 1,082,383,342.08
  5. Step 5: Solve for x
    x = 1,082,383,342.08/32,619.20
  6. Step 6: Final answer
    x = 33,182.40

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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.