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Finding the Fourth Proportional to 52,142.22, 71,957.43 and 30,913.74

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Solution

The fourth proportional to 52,142.22, 71,957.43 and 30,913.74 is: 42,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.22 : 71,957.43 = 30,913.74 : x
  2. Step 2: Convert to fraction form
    52,142.22/71,957.43 = 30,913.74/x
  3. Step 3: Cross multiply
    52,142.22x = 71,957.43 × 30,913.74
  4. Step 4: Simplify right side
    52,142.22x = 2,224,473,282.09
  5. Step 5: Solve for x
    x = 2,224,473,282.09/52,142.22
  6. Step 6: Final answer
    x = 42,661.65

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