Home / 33,418.92-46,101.78-28,111.80

Finding the Fourth Proportional to 33,418.92, 46,101.78 and 28,111.80

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Solution

The fourth proportional to 33,418.92, 46,101.78 and 28,111.80 is: 38,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,418.92 : 46,101.78 = 28,111.80 : x
  2. Step 2: Convert to fraction form
    33,418.92/46,101.78 = 28,111.80/x
  3. Step 3: Cross multiply
    33,418.92x = 46,101.78 × 28,111.80
  4. Step 4: Simplify right side
    33,418.92x = 1,296,004,019.00
  5. Step 5: Solve for x
    x = 1,296,004,019.00/33,418.92
  6. Step 6: Final answer
    x = 38,780.55

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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.