Home / 33,780.97-46,615.71-18,672.73

Finding the Fourth Proportional to 33,780.97, 46,615.71 and 18,672.73

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Solution

The fourth proportional to 33,780.97, 46,615.71 and 18,672.73 is: 25,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.97 : 46,615.71 = 18,672.73 : x
  2. Step 2: Convert to fraction form
    33,780.97/46,615.71 = 18,672.73/x
  3. Step 3: Cross multiply
    33,780.97x = 46,615.71 × 18,672.73
  4. Step 4: Simplify right side
    33,780.97x = 870,442,566.59
  5. Step 5: Solve for x
    x = 870,442,566.59/33,780.97
  6. Step 6: Final answer
    x = 25,767.25

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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.