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Finding the Fourth Proportional to 32,608.30, 48,839.55 and 28,234.30

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Solution

The fourth proportional to 32,608.30, 48,839.55 and 28,234.30 is: 42,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.30 : 48,839.55 = 28,234.30 : x
  2. Step 2: Convert to fraction form
    32,608.30/48,839.55 = 28,234.30/x
  3. Step 3: Cross multiply
    32,608.30x = 48,839.55 × 28,234.30
  4. Step 4: Simplify right side
    32,608.30x = 1,378,950,506.57
  5. Step 5: Solve for x
    x = 1,378,950,506.57/32,608.30
  6. Step 6: Final answer
    x = 42,288.33

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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.