Home / 33,269.44-45,911.50-20,517.52

Finding the Fourth Proportional to 33,269.44, 45,911.50 and 20,517.52

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Solution

The fourth proportional to 33,269.44, 45,911.50 and 20,517.52 is: 28,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269.44 : 45,911.50 = 20,517.52 : x
  2. Step 2: Convert to fraction form
    33,269.44/45,911.50 = 20,517.52/x
  3. Step 3: Cross multiply
    33,269.44x = 45,911.50 × 20,517.52
  4. Step 4: Simplify right side
    33,269.44x = 941,990,119.48
  5. Step 5: Solve for x
    x = 941,990,119.48/33,269.44
  6. Step 6: Final answer
    x = 28,313.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.