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Finding the Fourth Proportional to 33,428.44, 46,131.24 and 18,524.44

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Solution

The fourth proportional to 33,428.44, 46,131.24 and 18,524.44 is: 25,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.44 : 46,131.24 = 18,524.44 : x
  2. Step 2: Convert to fraction form
    33,428.44/46,131.24 = 18,524.44/x
  3. Step 3: Cross multiply
    33,428.44x = 46,131.24 × 18,524.44
  4. Step 4: Simplify right side
    33,428.44x = 854,555,387.51
  5. Step 5: Solve for x
    x = 854,555,387.51/33,428.44
  6. Step 6: Final answer
    x = 25,563.72

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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.