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Finding the Fourth Proportional to 33,321.62, 49,983.31 and 14,591.98

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Solution

The fourth proportional to 33,321.62, 49,983.31 and 14,591.98 is: 21,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.62 : 49,983.31 = 14,591.98 : x
  2. Step 2: Convert to fraction form
    33,321.62/49,983.31 = 14,591.98/x
  3. Step 3: Cross multiply
    33,321.62x = 49,983.31 × 14,591.98
  4. Step 4: Simplify right side
    33,321.62x = 729,355,459.85
  5. Step 5: Solve for x
    x = 729,355,459.85/33,321.62
  6. Step 6: Final answer
    x = 21,888.36

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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.