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Finding the Fourth Proportional to 31,565.58, 47,354.81 and 12,845.48

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Solution

The fourth proportional to 31,565.58, 47,354.81 and 12,845.48 is: 19,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.58 : 47,354.81 = 12,845.48 : x
  2. Step 2: Convert to fraction form
    31,565.58/47,354.81 = 12,845.48/x
  3. Step 3: Cross multiply
    31,565.58x = 47,354.81 × 12,845.48
  4. Step 4: Simplify right side
    31,565.58x = 608,294,963.76
  5. Step 5: Solve for x
    x = 608,294,963.76/31,565.58
  6. Step 6: Final answer
    x = 19,270.83

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