Home / 33,787.09-46,625.46-18,680.39

Finding the Fourth Proportional to 33,787.09, 46,625.46 and 18,680.39

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Solution

The fourth proportional to 33,787.09, 46,625.46 and 18,680.39 is: 25,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.09 : 46,625.46 = 18,680.39 : x
  2. Step 2: Convert to fraction form
    33,787.09/46,625.46 = 18,680.39/x
  3. Step 3: Cross multiply
    33,787.09x = 46,625.46 × 18,680.39
  4. Step 4: Simplify right side
    33,787.09x = 870,981,648.40
  5. Step 5: Solve for x
    x = 870,981,648.40/33,787.09
  6. Step 6: Final answer
    x = 25,778.53

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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.