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Finding the Fourth Proportional to 31,488.33, 47,230.92 and 7,795.74

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Solution

The fourth proportional to 31,488.33, 47,230.92 and 7,795.74 is: 11,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.33 : 47,230.92 = 7,795.74 : x
  2. Step 2: Convert to fraction form
    31,488.33/47,230.92 = 7,795.74/x
  3. Step 3: Cross multiply
    31,488.33x = 47,230.92 × 7,795.74
  4. Step 4: Simplify right side
    31,488.33x = 368,199,972.28
  5. Step 5: Solve for x
    x = 368,199,972.28/31,488.33
  6. Step 6: Final answer
    x = 11,693.22

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