Home / 31,929.32-47,882.46-13,462.76

Finding the Fourth Proportional to 31,929.32, 47,882.46 and 13,462.76

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Solution

The fourth proportional to 31,929.32, 47,882.46 and 13,462.76 is: 20,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.32 : 47,882.46 = 13,462.76 : x
  2. Step 2: Convert to fraction form
    31,929.32/47,882.46 = 13,462.76/x
  3. Step 3: Cross multiply
    31,929.32x = 47,882.46 × 13,462.76
  4. Step 4: Simplify right side
    31,929.32x = 644,630,067.19
  5. Step 5: Solve for x
    x = 644,630,067.19/31,929.32
  6. Step 6: Final answer
    x = 20,189.28

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