Home / 36,891.36-55,359-13,519.44

Finding the Fourth Proportional to 36,891.36, 55,359 and 13,519.44

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Solution

The fourth proportional to 36,891.36, 55,359 and 13,519.44 is: 20,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.36 : 55,359 = 13,519.44 : x
  2. Step 2: Convert to fraction form
    36,891.36/55,359 = 13,519.44/x
  3. Step 3: Cross multiply
    36,891.36x = 55,359 × 13,519.44
  4. Step 4: Simplify right side
    36,891.36x = 748,422,678.96
  5. Step 5: Solve for x
    x = 748,422,678.96/36,891.36
  6. Step 6: Final answer
    x = 20,287.21

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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.