Home / 36,213.86-49,974.18-20,299.34

Finding the Fourth Proportional to 36,213.86, 49,974.18 and 20,299.34

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Solution

The fourth proportional to 36,213.86, 49,974.18 and 20,299.34 is: 28,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,213.86 : 49,974.18 = 20,299.34 : x
  2. Step 2: Convert to fraction form
    36,213.86/49,974.18 = 20,299.34/x
  3. Step 3: Cross multiply
    36,213.86x = 49,974.18 × 20,299.34
  4. Step 4: Simplify right side
    36,213.86x = 1,014,442,871.04
  5. Step 5: Solve for x
    x = 1,014,442,871.04/36,213.86
  6. Step 6: Final answer
    x = 28,012.56

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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.