Home / 48,761.73-73,136.12-19,171.62

Finding the Fourth Proportional to 48,761.73, 73,136.12 and 19,171.62

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Solution

The fourth proportional to 48,761.73, 73,136.12 and 19,171.62 is: 28,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.73 : 73,136.12 = 19,171.62 : x
  2. Step 2: Convert to fraction form
    48,761.73/73,136.12 = 19,171.62/x
  3. Step 3: Cross multiply
    48,761.73x = 73,136.12 × 19,171.62
  4. Step 4: Simplify right side
    48,761.73x = 1,402,137,805.06
  5. Step 5: Solve for x
    x = 1,402,137,805.06/48,761.73
  6. Step 6: Final answer
    x = 28,754.88

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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.