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Finding the Fourth Proportional to 52,510.40, 78,765.60 and 32,811.20

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Solution

The fourth proportional to 52,510.40, 78,765.60 and 32,811.20 is: 49,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.40 : 78,765.60 = 32,811.20 : x
  2. Step 2: Convert to fraction form
    52,510.40/78,765.60 = 32,811.20/x
  3. Step 3: Cross multiply
    52,510.40x = 78,765.60 × 32,811.20
  4. Step 4: Simplify right side
    52,510.40x = 2,584,393,854.72
  5. Step 5: Solve for x
    x = 2,584,393,854.72/52,510.40
  6. Step 6: Final answer
    x = 49,216.80

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