Home / 20,556.33-30,831.01-5,761.84

Finding the Fourth Proportional to 20,556.33, 30,831.01 and 5,761.84

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Solution

The fourth proportional to 20,556.33, 30,831.01 and 5,761.84 is: 8,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.33 : 30,831.01 = 5,761.84 : x
  2. Step 2: Convert to fraction form
    20,556.33/30,831.01 = 5,761.84/x
  3. Step 3: Cross multiply
    20,556.33x = 30,831.01 × 5,761.84
  4. Step 4: Simplify right side
    20,556.33x = 177,643,346.66
  5. Step 5: Solve for x
    x = 177,643,346.66/20,556.33
  6. Step 6: Final answer
    x = 8,641.78

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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.