Home / 31,921.25-47,881.85-14,370.57

Finding the Fourth Proportional to 31,921.25, 47,881.85 and 14,370.57

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Solution

The fourth proportional to 31,921.25, 47,881.85 and 14,370.57 is: 21,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,921.25 : 47,881.85 = 14,370.57 : x
  2. Step 2: Convert to fraction form
    31,921.25/47,881.85 = 14,370.57/x
  3. Step 3: Cross multiply
    31,921.25x = 47,881.85 × 14,370.57
  4. Step 4: Simplify right side
    31,921.25x = 688,089,405.30
  5. Step 5: Solve for x
    x = 688,089,405.30/31,921.25
  6. Step 6: Final answer
    x = 21,555.84

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