Home / 67,238.67-100,841.21-19,844.36

Finding the Fourth Proportional to 67,238.67, 100,841.21 and 19,844.36

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Solution

The fourth proportional to 67,238.67, 100,841.21 and 19,844.36 is: 29,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,238.67 : 100,841.21 = 19,844.36 : x
  2. Step 2: Convert to fraction form
    67,238.67/100,841.21 = 19,844.36/x
  3. Step 3: Cross multiply
    67,238.67x = 100,841.21 × 19,844.36
  4. Step 4: Simplify right side
    67,238.67x = 2,001,129,048.80
  5. Step 5: Solve for x
    x = 2,001,129,048.80/67,238.67
  6. Step 6: Final answer
    x = 29,761.58

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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.