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Finding the Fourth Proportional to 33,114.60, 49,671.90 and 8,490.60

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Solution

The fourth proportional to 33,114.60, 49,671.90 and 8,490.60 is: 12,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,114.60 : 49,671.90 = 8,490.60 : x
  2. Step 2: Convert to fraction form
    33,114.60/49,671.90 = 8,490.60/x
  3. Step 3: Cross multiply
    33,114.60x = 49,671.90 × 8,490.60
  4. Step 4: Simplify right side
    33,114.60x = 421,744,234.14
  5. Step 5: Solve for x
    x = 421,744,234.14/33,114.60
  6. Step 6: Final answer
    x = 12,735.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.