Home / 34,747.74-47,951.46-18,831.96

Finding the Fourth Proportional to 34,747.74, 47,951.46 and 18,831.96

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Solution

The fourth proportional to 34,747.74, 47,951.46 and 18,831.96 is: 25,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.74 : 47,951.46 = 18,831.96 : x
  2. Step 2: Convert to fraction form
    34,747.74/47,951.46 = 18,831.96/x
  3. Step 3: Cross multiply
    34,747.74x = 47,951.46 × 18,831.96
  4. Step 4: Simplify right side
    34,747.74x = 903,019,976.66
  5. Step 5: Solve for x
    x = 903,019,976.66/34,747.74
  6. Step 6: Final answer
    x = 25,987.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.