Home / 41,409.18-57,161.84-31,340.43

Finding the Fourth Proportional to 41,409.18, 57,161.84 and 31,340.43

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Solution

The fourth proportional to 41,409.18, 57,161.84 and 31,340.43 is: 43,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,409.18 : 57,161.84 = 31,340.43 : x
  2. Step 2: Convert to fraction form
    41,409.18/57,161.84 = 31,340.43/x
  3. Step 3: Cross multiply
    41,409.18x = 57,161.84 × 31,340.43
  4. Step 4: Simplify right side
    41,409.18x = 1,791,476,488.49
  5. Step 5: Solve for x
    x = 1,791,476,488.49/41,409.18
  6. Step 6: Final answer
    x = 43,262.79

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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.