Home / 31,898.13-47,831.10-18,575.43

Finding the Fourth Proportional to 31,898.13, 47,831.10 and 18,575.43

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Solution

The fourth proportional to 31,898.13, 47,831.10 and 18,575.43 is: 27,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.13 : 47,831.10 = 18,575.43 : x
  2. Step 2: Convert to fraction form
    31,898.13/47,831.10 = 18,575.43/x
  3. Step 3: Cross multiply
    31,898.13x = 47,831.10 × 18,575.43
  4. Step 4: Simplify right side
    31,898.13x = 888,483,249.87
  5. Step 5: Solve for x
    x = 888,483,249.87/31,898.13
  6. Step 6: Final answer
    x = 27,853.77

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