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Finding the Fourth Proportional to 33,598.98, 50,390.37 and 9,900.09

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Solution

The fourth proportional to 33,598.98, 50,390.37 and 9,900.09 is: 14,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,598.98 : 50,390.37 = 9,900.09 : x
  2. Step 2: Convert to fraction form
    33,598.98/50,390.37 = 9,900.09/x
  3. Step 3: Cross multiply
    33,598.98x = 50,390.37 × 9,900.09
  4. Step 4: Simplify right side
    33,598.98x = 498,869,198.13
  5. Step 5: Solve for x
    x = 498,869,198.13/33,598.98
  6. Step 6: Final answer
    x = 14,847.75

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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.