Home / 36,057.24-49,756.80-20,142.72

Finding the Fourth Proportional to 36,057.24, 49,756.80 and 20,142.72

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Solution

The fourth proportional to 36,057.24, 49,756.80 and 20,142.72 is: 27,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,057.24 : 49,756.80 = 20,142.72 : x
  2. Step 2: Convert to fraction form
    36,057.24/49,756.80 = 20,142.72/x
  3. Step 3: Cross multiply
    36,057.24x = 49,756.80 × 20,142.72
  4. Step 4: Simplify right side
    36,057.24x = 1,002,237,290.50
  5. Step 5: Solve for x
    x = 1,002,237,290.50/36,057.24
  6. Step 6: Final answer
    x = 27,795.73

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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.