Home / 33,179.21-49,777.31-10,998.77

Finding the Fourth Proportional to 33,179.21, 49,777.31 and 10,998.77

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Solution

The fourth proportional to 33,179.21, 49,777.31 and 10,998.77 is: 16,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.21 : 49,777.31 = 10,998.77 : x
  2. Step 2: Convert to fraction form
    33,179.21/49,777.31 = 10,998.77/x
  3. Step 3: Cross multiply
    33,179.21x = 49,777.31 × 10,998.77
  4. Step 4: Simplify right side
    33,179.21x = 547,488,880.03
  5. Step 5: Solve for x
    x = 547,488,880.03/33,179.21
  6. Step 6: Final answer
    x = 16,500.96

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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.