Home / 33,240.35-45,872.67-18,133.87

Finding the Fourth Proportional to 33,240.35, 45,872.67 and 18,133.87

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Solution

The fourth proportional to 33,240.35, 45,872.67 and 18,133.87 is: 25,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.35 : 45,872.67 = 18,133.87 : x
  2. Step 2: Convert to fraction form
    33,240.35/45,872.67 = 18,133.87/x
  3. Step 3: Cross multiply
    33,240.35x = 45,872.67 × 18,133.87
  4. Step 4: Simplify right side
    33,240.35x = 831,849,034.33
  5. Step 5: Solve for x
    x = 831,849,034.33/33,240.35
  6. Step 6: Final answer
    x = 25,025.28

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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.