Home / 55,540.58-83,346.51-20,480.54

Finding the Fourth Proportional to 55,540.58, 83,346.51 and 20,480.54

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Solution

The fourth proportional to 55,540.58, 83,346.51 and 20,480.54 is: 30,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.58 : 83,346.51 = 20,480.54 : x
  2. Step 2: Convert to fraction form
    55,540.58/83,346.51 = 20,480.54/x
  3. Step 3: Cross multiply
    55,540.58x = 83,346.51 × 20,480.54
  4. Step 4: Simplify right side
    55,540.58x = 1,706,981,531.92
  5. Step 5: Solve for x
    x = 1,706,981,531.92/55,540.58
  6. Step 6: Final answer
    x = 30,733.95

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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.