Home / 33,431.01-50,112.77-20,959.80

Finding the Fourth Proportional to 33,431.01, 50,112.77 and 20,959.80

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Solution

The fourth proportional to 33,431.01, 50,112.77 and 20,959.80 is: 31,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.01 : 50,112.77 = 20,959.80 : x
  2. Step 2: Convert to fraction form
    33,431.01/50,112.77 = 20,959.80/x
  3. Step 3: Cross multiply
    33,431.01x = 50,112.77 × 20,959.80
  4. Step 4: Simplify right side
    33,431.01x = 1,050,353,531.85
  5. Step 5: Solve for x
    x = 1,050,353,531.85/33,431.01
  6. Step 6: Final answer
    x = 31,418.54

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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.