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Finding the Fourth Proportional to 41,140.40, 61,840.20 and 40,362.80

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Solution

The fourth proportional to 41,140.40, 61,840.20 and 40,362.80 is: 60,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.40 : 61,840.20 = 40,362.80 : x
  2. Step 2: Convert to fraction form
    41,140.40/61,840.20 = 40,362.80/x
  3. Step 3: Cross multiply
    41,140.40x = 61,840.20 × 40,362.80
  4. Step 4: Simplify right side
    41,140.40x = 2,496,043,624.56
  5. Step 5: Solve for x
    x = 2,496,043,624.56/41,140.40
  6. Step 6: Final answer
    x = 60,671.35

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