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Finding the Fourth Proportional to 55,302.60, 82,980.90 and 25,705.20

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Solution

The fourth proportional to 55,302.60, 82,980.90 and 25,705.20 is: 38,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.60 : 82,980.90 = 25,705.20 : x
  2. Step 2: Convert to fraction form
    55,302.60/82,980.90 = 25,705.20/x
  3. Step 3: Cross multiply
    55,302.60x = 82,980.90 × 25,705.20
  4. Step 4: Simplify right side
    55,302.60x = 2,133,040,630.68
  5. Step 5: Solve for x
    x = 2,133,040,630.68/55,302.60
  6. Step 6: Final answer
    x = 38,570.35

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