Home / 60,831.27-91,244.14-20,853.80

Finding the Fourth Proportional to 60,831.27, 91,244.14 and 20,853.80

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Solution

The fourth proportional to 60,831.27, 91,244.14 and 20,853.80 is: 31,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.27 : 91,244.14 = 20,853.80 : x
  2. Step 2: Convert to fraction form
    60,831.27/91,244.14 = 20,853.80/x
  3. Step 3: Cross multiply
    60,831.27x = 91,244.14 × 20,853.80
  4. Step 4: Simplify right side
    60,831.27x = 1,902,787,046.73
  5. Step 5: Solve for x
    x = 1,902,787,046.73/60,831.27
  6. Step 6: Final answer
    x = 31,279.75

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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.