Home / 31,934.13-47,936.43-18,621.38

Finding the Fourth Proportional to 31,934.13, 47,936.43 and 18,621.38

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Solution

The fourth proportional to 31,934.13, 47,936.43 and 18,621.38 is: 27,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.13 : 47,936.43 = 18,621.38 : x
  2. Step 2: Convert to fraction form
    31,934.13/47,936.43 = 18,621.38/x
  3. Step 3: Cross multiply
    31,934.13x = 47,936.43 × 18,621.38
  4. Step 4: Simplify right side
    31,934.13x = 892,642,239.19
  5. Step 5: Solve for x
    x = 892,642,239.19/31,934.13
  6. Step 6: Final answer
    x = 27,952.61

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