Home / 33,190.21-45,802.47-18,286.21

Finding the Fourth Proportional to 33,190.21, 45,802.47 and 18,286.21

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Solution

The fourth proportional to 33,190.21, 45,802.47 and 18,286.21 is: 25,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.21 : 45,802.47 = 18,286.21 : x
  2. Step 2: Convert to fraction form
    33,190.21/45,802.47 = 18,286.21/x
  3. Step 3: Cross multiply
    33,190.21x = 45,802.47 × 18,286.21
  4. Step 4: Simplify right side
    33,190.21x = 837,553,584.94
  5. Step 5: Solve for x
    x = 837,553,584.94/33,190.21
  6. Step 6: Final answer
    x = 25,234.96

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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.