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Finding the Fourth Proportional to 47,166.12, 70,750.40 and 13,887.32

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Solution

The fourth proportional to 47,166.12, 70,750.40 and 13,887.32 is: 20,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,166.12 : 70,750.40 = 13,887.32 : x
  2. Step 2: Convert to fraction form
    47,166.12/70,750.40 = 13,887.32/x
  3. Step 3: Cross multiply
    47,166.12x = 70,750.40 × 13,887.32
  4. Step 4: Simplify right side
    47,166.12x = 982,533,021.74
  5. Step 5: Solve for x
    x = 982,533,021.74/47,166.12
  6. Step 6: Final answer
    x = 20,831.33

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