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Finding the Fourth Proportional to 53,570.51, 80,356.56 and 20,281.64

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Solution

The fourth proportional to 53,570.51, 80,356.56 and 20,281.64 is: 30,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570.51 : 80,356.56 = 20,281.64 : x
  2. Step 2: Convert to fraction form
    53,570.51/80,356.56 = 20,281.64/x
  3. Step 3: Cross multiply
    53,570.51x = 80,356.56 × 20,281.64
  4. Step 4: Simplify right side
    53,570.51x = 1,629,763,022.45
  5. Step 5: Solve for x
    x = 1,629,763,022.45/53,570.51
  6. Step 6: Final answer
    x = 30,422.76

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