Home / 74,627.20-111,843.60-30,217.60

Finding the Fourth Proportional to 74,627.20, 111,843.60 and 30,217.60

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Solution

The fourth proportional to 74,627.20, 111,843.60 and 30,217.60 is: 45,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.20 : 111,843.60 = 30,217.60 : x
  2. Step 2: Convert to fraction form
    74,627.20/111,843.60 = 30,217.60/x
  3. Step 3: Cross multiply
    74,627.20x = 111,843.60 × 30,217.60
  4. Step 4: Simplify right side
    74,627.20x = 3,379,645,167.36
  5. Step 5: Solve for x
    x = 3,379,645,167.36/74,627.20
  6. Step 6: Final answer
    x = 45,287.04

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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.