Home / 33,391.94-46,078.84-18,284.78

Finding the Fourth Proportional to 33,391.94, 46,078.84 and 18,284.78

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Solution

The fourth proportional to 33,391.94, 46,078.84 and 18,284.78 is: 25,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,391.94 : 46,078.84 = 18,284.78 : x
  2. Step 2: Convert to fraction form
    33,391.94/46,078.84 = 18,284.78/x
  3. Step 3: Cross multiply
    33,391.94x = 46,078.84 × 18,284.78
  4. Step 4: Simplify right side
    33,391.94x = 842,541,175.95
  5. Step 5: Solve for x
    x = 842,541,175.95/33,391.94
  6. Step 6: Final answer
    x = 25,231.88

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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.