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Finding the Fourth Proportional to 39,353.28, 59,030.36 and 31,505.70

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Solution

The fourth proportional to 39,353.28, 59,030.36 and 31,505.70 is: 47,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.28 : 59,030.36 = 31,505.70 : x
  2. Step 2: Convert to fraction form
    39,353.28/59,030.36 = 31,505.70/x
  3. Step 3: Cross multiply
    39,353.28x = 59,030.36 × 31,505.70
  4. Step 4: Simplify right side
    39,353.28x = 1,859,792,813.05
  5. Step 5: Solve for x
    x = 1,859,792,813.05/39,353.28
  6. Step 6: Final answer
    x = 47,258.90

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