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Finding the Fourth Proportional to 48,246.64, 72,245.30 and 33,299.86

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Solution

The fourth proportional to 48,246.64, 72,245.30 and 33,299.86 is: 49,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,246.64 : 72,245.30 = 33,299.86 : x
  2. Step 2: Convert to fraction form
    48,246.64/72,245.30 = 33,299.86/x
  3. Step 3: Cross multiply
    48,246.64x = 72,245.30 × 33,299.86
  4. Step 4: Simplify right side
    48,246.64x = 2,405,758,375.66
  5. Step 5: Solve for x
    x = 2,405,758,375.66/48,246.64
  6. Step 6: Final answer
    x = 49,863.75

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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.