Home / 31,831.32-47,721.42-16,027.68

Finding the Fourth Proportional to 31,831.32, 47,721.42 and 16,027.68

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Solution

The fourth proportional to 31,831.32, 47,721.42 and 16,027.68 is: 24,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.32 : 47,721.42 = 16,027.68 : x
  2. Step 2: Convert to fraction form
    31,831.32/47,721.42 = 16,027.68/x
  3. Step 3: Cross multiply
    31,831.32x = 47,721.42 × 16,027.68
  4. Step 4: Simplify right side
    31,831.32x = 764,863,648.91
  5. Step 5: Solve for x
    x = 764,863,648.91/31,831.32
  6. Step 6: Final answer
    x = 24,028.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.