Home / 35,769.75-49,350.82-20,660.41

Finding the Fourth Proportional to 35,769.75, 49,350.82 and 20,660.41

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Solution

The fourth proportional to 35,769.75, 49,350.82 and 20,660.41 is: 28,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,769.75 : 49,350.82 = 20,660.41 : x
  2. Step 2: Convert to fraction form
    35,769.75/49,350.82 = 20,660.41/x
  3. Step 3: Cross multiply
    35,769.75x = 49,350.82 × 20,660.41
  4. Step 4: Simplify right side
    35,769.75x = 1,019,608,175.04
  5. Step 5: Solve for x
    x = 1,019,608,175.04/35,769.75
  6. Step 6: Final answer
    x = 28,504.76

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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.