Home / 33,099.75-49,666.11-20,616.63

Finding the Fourth Proportional to 33,099.75, 49,666.11 and 20,616.63

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Solution

The fourth proportional to 33,099.75, 49,666.11 and 20,616.63 is: 30,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.75 : 49,666.11 = 20,616.63 : x
  2. Step 2: Convert to fraction form
    33,099.75/49,666.11 = 20,616.63/x
  3. Step 3: Cross multiply
    33,099.75x = 49,666.11 × 20,616.63
  4. Step 4: Simplify right side
    33,099.75x = 1,023,947,813.41
  5. Step 5: Solve for x
    x = 1,023,947,813.41/33,099.75
  6. Step 6: Final answer
    x = 30,935.21

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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.