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Finding the Fourth Proportional to 55,221.60, 82,856.70 and 25,624.20

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Solution

The fourth proportional to 55,221.60, 82,856.70 and 25,624.20 is: 38,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.60 : 82,856.70 = 25,624.20 : x
  2. Step 2: Convert to fraction form
    55,221.60/82,856.70 = 25,624.20/x
  3. Step 3: Cross multiply
    55,221.60x = 82,856.70 × 25,624.20
  4. Step 4: Simplify right side
    55,221.60x = 2,123,136,652.14
  5. Step 5: Solve for x
    x = 2,123,136,652.14/55,221.60
  6. Step 6: Final answer
    x = 38,447.58

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