Home / 33,211.80-45,830.90-18,104.13

Finding the Fourth Proportional to 33,211.80, 45,830.90 and 18,104.13

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Solution

The fourth proportional to 33,211.80, 45,830.90 and 18,104.13 is: 24,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.80 : 45,830.90 = 18,104.13 : x
  2. Step 2: Convert to fraction form
    33,211.80/45,830.90 = 18,104.13/x
  3. Step 3: Cross multiply
    33,211.80x = 45,830.90 × 18,104.13
  4. Step 4: Simplify right side
    33,211.80x = 829,728,571.62
  5. Step 5: Solve for x
    x = 829,728,571.62/33,211.80
  6. Step 6: Final answer
    x = 24,982.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.