Home / 41,965.64-57,912.54-23,102.78

Finding the Fourth Proportional to 41,965.64, 57,912.54 and 23,102.78

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Solution

The fourth proportional to 41,965.64, 57,912.54 and 23,102.78 is: 31,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,965.64 : 57,912.54 = 23,102.78 : x
  2. Step 2: Convert to fraction form
    41,965.64/57,912.54 = 23,102.78/x
  3. Step 3: Cross multiply
    41,965.64x = 57,912.54 × 23,102.78
  4. Step 4: Simplify right side
    41,965.64x = 1,337,940,670.86
  5. Step 5: Solve for x
    x = 1,337,940,670.86/41,965.64
  6. Step 6: Final answer
    x = 31,881.81

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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.