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Finding the Fourth Proportional to 48,479.40, 66,900.42 and 31,712.04

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Solution

The fourth proportional to 48,479.40, 66,900.42 and 31,712.04 is: 43,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.40 : 66,900.42 = 31,712.04 : x
  2. Step 2: Convert to fraction form
    48,479.40/66,900.42 = 31,712.04/x
  3. Step 3: Cross multiply
    48,479.40x = 66,900.42 × 31,712.04
  4. Step 4: Simplify right side
    48,479.40x = 2,121,548,795.06
  5. Step 5: Solve for x
    x = 2,121,548,795.06/48,479.40
  6. Step 6: Final answer
    x = 43,761.86

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