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Finding the Fourth Proportional to 40,782.51, 61,177.41 and 15,821.96

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Solution

The fourth proportional to 40,782.51, 61,177.41 and 15,821.96 is: 23,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.51 : 61,177.41 = 15,821.96 : x
  2. Step 2: Convert to fraction form
    40,782.51/61,177.41 = 15,821.96/x
  3. Step 3: Cross multiply
    40,782.51x = 61,177.41 × 15,821.96
  4. Step 4: Simplify right side
    40,782.51x = 967,946,228.04
  5. Step 5: Solve for x
    x = 967,946,228.04/40,782.51
  6. Step 6: Final answer
    x = 23,734.35

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