Home / 33,285.67-45,923.16-21,960.79

Finding the Fourth Proportional to 33,285.67, 45,923.16 and 21,960.79

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Solution

The fourth proportional to 33,285.67, 45,923.16 and 21,960.79 is: 30,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.67 : 45,923.16 = 21,960.79 : x
  2. Step 2: Convert to fraction form
    33,285.67/45,923.16 = 21,960.79/x
  3. Step 3: Cross multiply
    33,285.67x = 45,923.16 × 21,960.79
  4. Step 4: Simplify right side
    33,285.67x = 1,008,508,872.90
  5. Step 5: Solve for x
    x = 1,008,508,872.90/33,285.67
  6. Step 6: Final answer
    x = 30,298.59

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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.