Home / 33,163.62-45,753.26-21,225.03

Finding the Fourth Proportional to 33,163.62, 45,753.26 and 21,225.03

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Solution

The fourth proportional to 33,163.62, 45,753.26 and 21,225.03 is: 29,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,163.62 : 45,753.26 = 21,225.03 : x
  2. Step 2: Convert to fraction form
    33,163.62/45,753.26 = 21,225.03/x
  3. Step 3: Cross multiply
    33,163.62x = 45,753.26 × 21,225.03
  4. Step 4: Simplify right side
    33,163.62x = 971,114,209.97
  5. Step 5: Solve for x
    x = 971,114,209.97/33,163.62
  6. Step 6: Final answer
    x = 29,282.52

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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.