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Finding the Fourth Proportional to 45,978.12, 63,446.36 and 25,831.80

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Solution

The fourth proportional to 45,978.12, 63,446.36 and 25,831.80 is: 35,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,978.12 : 63,446.36 = 25,831.80 : x
  2. Step 2: Convert to fraction form
    45,978.12/63,446.36 = 25,831.80/x
  3. Step 3: Cross multiply
    45,978.12x = 63,446.36 × 25,831.80
  4. Step 4: Simplify right side
    45,978.12x = 1,638,933,553.09
  5. Step 5: Solve for x
    x = 1,638,933,553.09/45,978.12
  6. Step 6: Final answer
    x = 35,645.95

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