Home / 33,471.45-46,221.84-21,555.54

Finding the Fourth Proportional to 33,471.45, 46,221.84 and 21,555.54

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Solution

The fourth proportional to 33,471.45, 46,221.84 and 21,555.54 is: 29,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,471.45 : 46,221.84 = 21,555.54 : x
  2. Step 2: Convert to fraction form
    33,471.45/46,221.84 = 21,555.54/x
  3. Step 3: Cross multiply
    33,471.45x = 46,221.84 × 21,555.54
  4. Step 4: Simplify right side
    33,471.45x = 996,336,720.99
  5. Step 5: Solve for x
    x = 996,336,720.99/33,471.45
  6. Step 6: Final answer
    x = 29,766.76

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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.