Home / 43,557.60-65,278.08-21,336.96

Finding the Fourth Proportional to 43,557.60, 65,278.08 and 21,336.96

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Solution

The fourth proportional to 43,557.60, 65,278.08 and 21,336.96 is: 31,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.60 : 65,278.08 = 21,336.96 : x
  2. Step 2: Convert to fraction form
    43,557.60/65,278.08 = 21,336.96/x
  3. Step 3: Cross multiply
    43,557.60x = 65,278.08 × 21,336.96
  4. Step 4: Simplify right side
    43,557.60x = 1,392,835,781.84
  5. Step 5: Solve for x
    x = 1,392,835,781.84/43,557.60
  6. Step 6: Final answer
    x = 31,976.87

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