Home / 31,913.90-47,892.45-14,374.70

Finding the Fourth Proportional to 31,913.90, 47,892.45 and 14,374.70

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Solution

The fourth proportional to 31,913.90, 47,892.45 and 14,374.70 is: 21,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.90 : 47,892.45 = 14,374.70 : x
  2. Step 2: Convert to fraction form
    31,913.90/47,892.45 = 14,374.70/x
  3. Step 3: Cross multiply
    31,913.90x = 47,892.45 × 14,374.70
  4. Step 4: Simplify right side
    31,913.90x = 688,439,601.02
  5. Step 5: Solve for x
    x = 688,439,601.02/31,913.90
  6. Step 6: Final answer
    x = 21,571.78

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