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Finding the Fourth Proportional to 34,919.76, 48,180.84 and 20,580.18

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Solution

The fourth proportional to 34,919.76, 48,180.84 and 20,580.18 is: 28,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,919.76 : 48,180.84 = 20,580.18 : x
  2. Step 2: Convert to fraction form
    34,919.76/48,180.84 = 20,580.18/x
  3. Step 3: Cross multiply
    34,919.76x = 48,180.84 × 20,580.18
  4. Step 4: Simplify right side
    34,919.76x = 991,570,359.75
  5. Step 5: Solve for x
    x = 991,570,359.75/34,919.76
  6. Step 6: Final answer
    x = 28,395.68

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