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Finding the Fourth Proportional to 48,047.88, 72,034.47 and 31,145.21

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Solution

The fourth proportional to 48,047.88, 72,034.47 and 31,145.21 is: 46,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,047.88 : 72,034.47 = 31,145.21 : x
  2. Step 2: Convert to fraction form
    48,047.88/72,034.47 = 31,145.21/x
  3. Step 3: Cross multiply
    48,047.88x = 72,034.47 × 31,145.21
  4. Step 4: Simplify right side
    48,047.88x = 2,243,528,335.22
  5. Step 5: Solve for x
    x = 2,243,528,335.22/48,047.88
  6. Step 6: Final answer
    x = 46,693.60

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