Home / 33,356.80-50,006.40-20,195.20

Finding the Fourth Proportional to 33,356.80, 50,006.40 and 20,195.20

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Solution

The fourth proportional to 33,356.80, 50,006.40 and 20,195.20 is: 30,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,356.80 : 50,006.40 = 20,195.20 : x
  2. Step 2: Convert to fraction form
    33,356.80/50,006.40 = 20,195.20/x
  3. Step 3: Cross multiply
    33,356.80x = 50,006.40 × 20,195.20
  4. Step 4: Simplify right side
    33,356.80x = 1,009,889,249.28
  5. Step 5: Solve for x
    x = 1,009,889,249.28/33,356.80
  6. Step 6: Final answer
    x = 30,275.36

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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.