Home / 20,179.47-30,249.77-6,325.23

Finding the Fourth Proportional to 20,179.47, 30,249.77 and 6,325.23

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Solution

The fourth proportional to 20,179.47, 30,249.77 and 6,325.23 is: 9,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.47 : 30,249.77 = 6,325.23 : x
  2. Step 2: Convert to fraction form
    20,179.47/30,249.77 = 6,325.23/x
  3. Step 3: Cross multiply
    20,179.47x = 30,249.77 × 6,325.23
  4. Step 4: Simplify right side
    20,179.47x = 191,336,721.07
  5. Step 5: Solve for x
    x = 191,336,721.07/20,179.47
  6. Step 6: Final answer
    x = 9,481.75

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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.