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Finding the Fourth Proportional to 45,607.26, 68,432.55 and 31,588.86

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Solution

The fourth proportional to 45,607.26, 68,432.55 and 31,588.86 is: 47,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,607.26 : 68,432.55 = 31,588.86 : x
  2. Step 2: Convert to fraction form
    45,607.26/68,432.55 = 31,588.86/x
  3. Step 3: Cross multiply
    45,607.26x = 68,432.55 × 31,588.86
  4. Step 4: Simplify right side
    45,607.26x = 2,161,706,241.39
  5. Step 5: Solve for x
    x = 2,161,706,241.39/45,607.26
  6. Step 6: Final answer
    x = 47,398.29

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