Home / 32,951.20-49,359.60-20,432.80

Finding the Fourth Proportional to 32,951.20, 49,359.60 and 20,432.80

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Solution

The fourth proportional to 32,951.20, 49,359.60 and 20,432.80 is: 30,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,951.20 : 49,359.60 = 20,432.80 : x
  2. Step 2: Convert to fraction form
    32,951.20/49,359.60 = 20,432.80/x
  3. Step 3: Cross multiply
    32,951.20x = 49,359.60 × 20,432.80
  4. Step 4: Simplify right side
    32,951.20x = 1,008,554,834.88
  5. Step 5: Solve for x
    x = 1,008,554,834.88/32,951.20
  6. Step 6: Final answer
    x = 30,607.53

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1.5x scale

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.