Home / 33,828.27-46,683.78-21,912.35

Finding the Fourth Proportional to 33,828.27, 46,683.78 and 21,912.35

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Solution

The fourth proportional to 33,828.27, 46,683.78 and 21,912.35 is: 30,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.27 : 46,683.78 = 21,912.35 : x
  2. Step 2: Convert to fraction form
    33,828.27/46,683.78 = 21,912.35/x
  3. Step 3: Cross multiply
    33,828.27x = 46,683.78 × 21,912.35
  4. Step 4: Simplify right side
    33,828.27x = 1,022,951,326.68
  5. Step 5: Solve for x
    x = 1,022,951,326.68/33,828.27
  6. Step 6: Final answer
    x = 30,239.54

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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.