Home / 33,983.20-50,919.36-20,807.92

Finding the Fourth Proportional to 33,983.20, 50,919.36 and 20,807.92

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Solution

The fourth proportional to 33,983.20, 50,919.36 and 20,807.92 is: 31,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,983.20 : 50,919.36 = 20,807.92 : x
  2. Step 2: Convert to fraction form
    33,983.20/50,919.36 = 20,807.92/x
  3. Step 3: Cross multiply
    33,983.20x = 50,919.36 × 20,807.92
  4. Step 4: Simplify right side
    33,983.20x = 1,059,525,969.33
  5. Step 5: Solve for x
    x = 1,059,525,969.33/33,983.20
  6. Step 6: Final answer
    x = 31,177.93

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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.