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Finding the Fourth Proportional to 53,922.60, 80,931.90 and 31,708.20

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Solution

The fourth proportional to 53,922.60, 80,931.90 and 31,708.20 is: 47,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.60 : 80,931.90 = 31,708.20 : x
  2. Step 2: Convert to fraction form
    53,922.60/80,931.90 = 31,708.20/x
  3. Step 3: Cross multiply
    53,922.60x = 80,931.90 × 31,708.20
  4. Step 4: Simplify right side
    53,922.60x = 2,566,204,871.58
  5. Step 5: Solve for x
    x = 2,566,204,871.58/53,922.60
  6. Step 6: Final answer
    x = 47,590.53

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