Home / 51,679.72-71,318.50-29,321.96

Finding the Fourth Proportional to 51,679.72, 71,318.50 and 29,321.96

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Solution

The fourth proportional to 51,679.72, 71,318.50 and 29,321.96 is: 40,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679.72 : 71,318.50 = 29,321.96 : x
  2. Step 2: Convert to fraction form
    51,679.72/71,318.50 = 29,321.96/x
  3. Step 3: Cross multiply
    51,679.72x = 71,318.50 × 29,321.96
  4. Step 4: Simplify right side
    51,679.72x = 2,091,198,204.26
  5. Step 5: Solve for x
    x = 2,091,198,204.26/51,679.72
  6. Step 6: Final answer
    x = 40,464.58

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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.