Home / 29,142.82-43,719.21-9,148.48

Finding the Fourth Proportional to 29,142.82, 43,719.21 and 9,148.48

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Solution

The fourth proportional to 29,142.82, 43,719.21 and 9,148.48 is: 13,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.82 : 43,719.21 = 9,148.48 : x
  2. Step 2: Convert to fraction form
    29,142.82/43,719.21 = 9,148.48/x
  3. Step 3: Cross multiply
    29,142.82x = 43,719.21 × 9,148.48
  4. Step 4: Simplify right side
    29,142.82x = 399,964,209.00
  5. Step 5: Solve for x
    x = 399,964,209.00/29,142.82
  6. Step 6: Final answer
    x = 13,724.28

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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.