Home / 35,974.26-49,632.40-20,861.41

Finding the Fourth Proportional to 35,974.26, 49,632.40 and 20,861.41

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Solution

The fourth proportional to 35,974.26, 49,632.40 and 20,861.41 is: 28,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.26 : 49,632.40 = 20,861.41 : x
  2. Step 2: Convert to fraction form
    35,974.26/49,632.40 = 20,861.41/x
  3. Step 3: Cross multiply
    35,974.26x = 49,632.40 × 20,861.41
  4. Step 4: Simplify right side
    35,974.26x = 1,035,401,583.80
  5. Step 5: Solve for x
    x = 1,035,401,583.80/35,974.26
  6. Step 6: Final answer
    x = 28,781.73

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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.