Home / 20,823.33-31,233.06-5,831.81

Finding the Fourth Proportional to 20,823.33, 31,233.06 and 5,831.81

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Solution

The fourth proportional to 20,823.33, 31,233.06 and 5,831.81 is: 8,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823.33 : 31,233.06 = 5,831.81 : x
  2. Step 2: Convert to fraction form
    20,823.33/31,233.06 = 5,831.81/x
  3. Step 3: Cross multiply
    20,823.33x = 31,233.06 × 5,831.81
  4. Step 4: Simplify right side
    20,823.33x = 182,145,115.47
  5. Step 5: Solve for x
    x = 182,145,115.47/20,823.33
  6. Step 6: Final answer
    x = 8,747.17

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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.