Home / 33,115.44-45,701.87-18,968.57

Finding the Fourth Proportional to 33,115.44, 45,701.87 and 18,968.57

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Solution

The fourth proportional to 33,115.44, 45,701.87 and 18,968.57 is: 26,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.44 : 45,701.87 = 18,968.57 : x
  2. Step 2: Convert to fraction form
    33,115.44/45,701.87 = 18,968.57/x
  3. Step 3: Cross multiply
    33,115.44x = 45,701.87 × 18,968.57
  4. Step 4: Simplify right side
    33,115.44x = 866,898,796.87
  5. Step 5: Solve for x
    x = 866,898,796.87/33,115.44
  6. Step 6: Final answer
    x = 26,178.08

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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.