Home / 33,885.39-46,761.94-18,778.30

Finding the Fourth Proportional to 33,885.39, 46,761.94 and 18,778.30

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Solution

The fourth proportional to 33,885.39, 46,761.94 and 18,778.30 is: 25,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.39 : 46,761.94 = 18,778.30 : x
  2. Step 2: Convert to fraction form
    33,885.39/46,761.94 = 18,778.30/x
  3. Step 3: Cross multiply
    33,885.39x = 46,761.94 × 18,778.30
  4. Step 4: Simplify right side
    33,885.39x = 878,109,644.47
  5. Step 5: Solve for x
    x = 878,109,644.47/33,885.39
  6. Step 6: Final answer
    x = 25,914.11

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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.