Home / 31,296.78-46,943.96-12,571.20

Finding the Fourth Proportional to 31,296.78, 46,943.96 and 12,571.20

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Solution

The fourth proportional to 31,296.78, 46,943.96 and 12,571.20 is: 18,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.78 : 46,943.96 = 12,571.20 : x
  2. Step 2: Convert to fraction form
    31,296.78/46,943.96 = 12,571.20/x
  3. Step 3: Cross multiply
    31,296.78x = 46,943.96 × 12,571.20
  4. Step 4: Simplify right side
    31,296.78x = 590,141,847.10
  5. Step 5: Solve for x
    x = 590,141,847.10/31,296.78
  6. Step 6: Final answer
    x = 18,856.31

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