Home / 20,043.54-30,067.03-5,252.45

Finding the Fourth Proportional to 20,043.54, 30,067.03 and 5,252.45

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Solution

The fourth proportional to 20,043.54, 30,067.03 and 5,252.45 is: 7,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.54 : 30,067.03 = 5,252.45 : x
  2. Step 2: Convert to fraction form
    20,043.54/30,067.03 = 5,252.45/x
  3. Step 3: Cross multiply
    20,043.54x = 30,067.03 × 5,252.45
  4. Step 4: Simplify right side
    20,043.54x = 157,925,571.72
  5. Step 5: Solve for x
    x = 157,925,571.72/20,043.54
  6. Step 6: Final answer
    x = 7,879.13

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1.5x scale

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.