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Finding the Fourth Proportional to 33,891.67, 46,770.46 and 18,784.36

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Solution

The fourth proportional to 33,891.67, 46,770.46 and 18,784.36 is: 25,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.67 : 46,770.46 = 18,784.36 : x
  2. Step 2: Convert to fraction form
    33,891.67/46,770.46 = 18,784.36/x
  3. Step 3: Cross multiply
    33,891.67x = 46,770.46 × 18,784.36
  4. Step 4: Simplify right side
    33,891.67x = 878,552,924.15
  5. Step 5: Solve for x
    x = 878,552,924.15/33,891.67
  6. Step 6: Final answer
    x = 25,922.39

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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.