Home / 30,519.44-45,777.24-11,791.76

Finding the Fourth Proportional to 30,519.44, 45,777.24 and 11,791.76

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Solution

The fourth proportional to 30,519.44, 45,777.24 and 11,791.76 is: 17,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.44 : 45,777.24 = 11,791.76 : x
  2. Step 2: Convert to fraction form
    30,519.44/45,777.24 = 11,791.76/x
  3. Step 3: Cross multiply
    30,519.44x = 45,777.24 × 11,791.76
  4. Step 4: Simplify right side
    30,519.44x = 539,794,227.54
  5. Step 5: Solve for x
    x = 539,794,227.54/30,519.44
  6. Step 6: Final answer
    x = 17,686.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.