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Finding the Fourth Proportional to 57,998.76, 87,031.66 and 31,344.86

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Solution

The fourth proportional to 57,998.76, 87,031.66 and 31,344.86 is: 47,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.76 : 87,031.66 = 31,344.86 : x
  2. Step 2: Convert to fraction form
    57,998.76/87,031.66 = 31,344.86/x
  3. Step 3: Cross multiply
    57,998.76x = 87,031.66 × 31,344.86
  4. Step 4: Simplify right side
    57,998.76x = 2,727,995,198.27
  5. Step 5: Solve for x
    x = 2,727,995,198.27/57,998.76
  6. Step 6: Final answer
    x = 47,035.41

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