Home / 20,820.94-31,231.56-6,029.83

Finding the Fourth Proportional to 20,820.94, 31,231.56 and 6,029.83

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Solution

The fourth proportional to 20,820.94, 31,231.56 and 6,029.83 is: 9,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,820.94 : 31,231.56 = 6,029.83 : x
  2. Step 2: Convert to fraction form
    20,820.94/31,231.56 = 6,029.83/x
  3. Step 3: Cross multiply
    20,820.94x = 31,231.56 × 6,029.83
  4. Step 4: Simplify right side
    20,820.94x = 188,320,997.43
  5. Step 5: Solve for x
    x = 188,320,997.43/20,820.94
  6. Step 6: Final answer
    x = 9,044.79

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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.