Home / 33,917.60-50,732.40-30,432.80

Finding the Fourth Proportional to 33,917.60, 50,732.40 and 30,432.80

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Solution

The fourth proportional to 33,917.60, 50,732.40 and 30,432.80 is: 45,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,917.60 : 50,732.40 = 30,432.80 : x
  2. Step 2: Convert to fraction form
    33,917.60/50,732.40 = 30,432.80/x
  3. Step 3: Cross multiply
    33,917.60x = 50,732.40 × 30,432.80
  4. Step 4: Simplify right side
    33,917.60x = 1,543,928,982.72
  5. Step 5: Solve for x
    x = 1,543,928,982.72/33,917.60
  6. Step 6: Final answer
    x = 45,520.00

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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.