Home / 31,836.24-43,929.12-18,404.90

Finding the Fourth Proportional to 31,836.24, 43,929.12 and 18,404.90

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Solution

The fourth proportional to 31,836.24, 43,929.12 and 18,404.90 is: 25,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.24 : 43,929.12 = 18,404.90 : x
  2. Step 2: Convert to fraction form
    31,836.24/43,929.12 = 18,404.90/x
  3. Step 3: Cross multiply
    31,836.24x = 43,929.12 × 18,404.90
  4. Step 4: Simplify right side
    31,836.24x = 808,511,060.69
  5. Step 5: Solve for x
    x = 808,511,060.69/31,836.24
  6. Step 6: Final answer
    x = 25,395.93

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