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Finding the Fourth Proportional to 55,196.70, 82,795.05 and 13,643.70

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Solution

The fourth proportional to 55,196.70, 82,795.05 and 13,643.70 is: 20,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196.70 : 82,795.05 = 13,643.70 : x
  2. Step 2: Convert to fraction form
    55,196.70/82,795.05 = 13,643.70/x
  3. Step 3: Cross multiply
    55,196.70x = 82,795.05 × 13,643.70
  4. Step 4: Simplify right side
    55,196.70x = 1,129,630,823.69
  5. Step 5: Solve for x
    x = 1,129,630,823.69/55,196.70
  6. Step 6: Final answer
    x = 20,465.55

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