Home / 33,238.47-45,868.25-18,131.48

Finding the Fourth Proportional to 33,238.47, 45,868.25 and 18,131.48

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Solution

The fourth proportional to 33,238.47, 45,868.25 and 18,131.48 is: 25,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.47 : 45,868.25 = 18,131.48 : x
  2. Step 2: Convert to fraction form
    33,238.47/45,868.25 = 18,131.48/x
  3. Step 3: Cross multiply
    33,238.47x = 45,868.25 × 18,131.48
  4. Step 4: Simplify right side
    33,238.47x = 831,659,073.50
  5. Step 5: Solve for x
    x = 831,659,073.50/33,238.47
  6. Step 6: Final answer
    x = 25,020.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.