Home / 33,285.05-45,922.30-21,960.17

Finding the Fourth Proportional to 33,285.05, 45,922.30 and 21,960.17

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Solution

The fourth proportional to 33,285.05, 45,922.30 and 21,960.17 is: 30,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.05 : 45,922.30 = 21,960.17 : x
  2. Step 2: Convert to fraction form
    33,285.05/45,922.30 = 21,960.17/x
  3. Step 3: Cross multiply
    33,285.05x = 45,922.30 × 21,960.17
  4. Step 4: Simplify right side
    33,285.05x = 1,008,461,230.28
  5. Step 5: Solve for x
    x = 1,008,461,230.28/33,285.05
  6. Step 6: Final answer
    x = 30,297.73

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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.