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Finding the Fourth Proportional to 33,786.04, 46,620.62 and 18,676.62

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Solution

The fourth proportional to 33,786.04, 46,620.62 and 18,676.62 is: 25,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.04 : 46,620.62 = 18,676.62 : x
  2. Step 2: Convert to fraction form
    33,786.04/46,620.62 = 18,676.62/x
  3. Step 3: Cross multiply
    33,786.04x = 46,620.62 × 18,676.62
  4. Step 4: Simplify right side
    33,786.04x = 870,715,603.90
  5. Step 5: Solve for x
    x = 870,715,603.90/33,786.04
  6. Step 6: Final answer
    x = 25,771.46

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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.