Home / 51,171.97-70,619.27-29,662.42

Finding the Fourth Proportional to 51,171.97, 70,619.27 and 29,662.42

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Solution

The fourth proportional to 51,171.97, 70,619.27 and 29,662.42 is: 40,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.97 : 70,619.27 = 29,662.42 : x
  2. Step 2: Convert to fraction form
    51,171.97/70,619.27 = 29,662.42/x
  3. Step 3: Cross multiply
    51,171.97x = 70,619.27 × 29,662.42
  4. Step 4: Simplify right side
    51,171.97x = 2,094,738,121.97
  5. Step 5: Solve for x
    x = 2,094,738,121.97/51,171.97
  6. Step 6: Final answer
    x = 40,935.27

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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.