Home / 45,945.36-68,893.38-20,971.92

Finding the Fourth Proportional to 45,945.36, 68,893.38 and 20,971.92

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Solution

The fourth proportional to 45,945.36, 68,893.38 and 20,971.92 is: 31,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,945.36 : 68,893.38 = 20,971.92 : x
  2. Step 2: Convert to fraction form
    45,945.36/68,893.38 = 20,971.92/x
  3. Step 3: Cross multiply
    45,945.36x = 68,893.38 × 20,971.92
  4. Step 4: Simplify right side
    45,945.36x = 1,444,826,453.89
  5. Step 5: Solve for x
    x = 1,444,826,453.89/45,945.36
  6. Step 6: Final answer
    x = 31,446.62

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