Home / 64,131.05-96,198.24-30,389.20

Finding the Fourth Proportional to 64,131.05, 96,198.24 and 30,389.20

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Solution

The fourth proportional to 64,131.05, 96,198.24 and 30,389.20 is: 45,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.05 : 96,198.24 = 30,389.20 : x
  2. Step 2: Convert to fraction form
    64,131.05/96,198.24 = 30,389.20/x
  3. Step 3: Cross multiply
    64,131.05x = 96,198.24 × 30,389.20
  4. Step 4: Simplify right side
    64,131.05x = 2,923,387,555.01
  5. Step 5: Solve for x
    x = 2,923,387,555.01/64,131.05
  6. Step 6: Final answer
    x = 45,584.59

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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.