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Finding the Fourth Proportional to 47,580.19, 71,371.44 and 15,990.71

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Solution

The fourth proportional to 47,580.19, 71,371.44 and 15,990.71 is: 23,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.19 : 71,371.44 = 15,990.71 : x
  2. Step 2: Convert to fraction form
    47,580.19/71,371.44 = 15,990.71/x
  3. Step 3: Cross multiply
    47,580.19x = 71,371.44 × 15,990.71
  4. Step 4: Simplify right side
    47,580.19x = 1,141,279,999.32
  5. Step 5: Solve for x
    x = 1,141,279,999.32/47,580.19
  6. Step 6: Final answer
    x = 23,986.45

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