Home / 33,007.70-49,511.10-10,821.80

Finding the Fourth Proportional to 33,007.70, 49,511.10 and 10,821.80

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Solution

The fourth proportional to 33,007.70, 49,511.10 and 10,821.80 is: 16,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,007.70 : 49,511.10 = 10,821.80 : x
  2. Step 2: Convert to fraction form
    33,007.70/49,511.10 = 10,821.80/x
  3. Step 3: Cross multiply
    33,007.70x = 49,511.10 × 10,821.80
  4. Step 4: Simplify right side
    33,007.70x = 535,799,221.98
  5. Step 5: Solve for x
    x = 535,799,221.98/33,007.70
  6. Step 6: Final answer
    x = 16,232.55

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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.