Home / 51,175.12-76,717.56-21,576.82

Finding the Fourth Proportional to 51,175.12, 76,717.56 and 21,576.82

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Solution

The fourth proportional to 51,175.12, 76,717.56 and 21,576.82 is: 32,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.12 : 76,717.56 = 21,576.82 : x
  2. Step 2: Convert to fraction form
    51,175.12/76,717.56 = 21,576.82/x
  3. Step 3: Cross multiply
    51,175.12x = 76,717.56 × 21,576.82
  4. Step 4: Simplify right side
    51,175.12x = 1,655,320,982.96
  5. Step 5: Solve for x
    x = 1,655,320,982.96/51,175.12
  6. Step 6: Final answer
    x = 32,346.21

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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.