Home / 41,896.32-57,749.76-31,791.84

Finding the Fourth Proportional to 41,896.32, 57,749.76 and 31,791.84

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Solution

The fourth proportional to 41,896.32, 57,749.76 and 31,791.84 is: 43,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,896.32 : 57,749.76 = 31,791.84 : x
  2. Step 2: Convert to fraction form
    41,896.32/57,749.76 = 31,791.84/x
  3. Step 3: Cross multiply
    41,896.32x = 57,749.76 × 31,791.84
  4. Step 4: Simplify right side
    41,896.32x = 1,835,971,129.96
  5. Step 5: Solve for x
    x = 1,835,971,129.96/41,896.32
  6. Step 6: Final answer
    x = 43,821.78

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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.