Home / 67,227.34-100,817.52-19,829.85

Finding the Fourth Proportional to 67,227.34, 100,817.52 and 19,829.85

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Solution

The fourth proportional to 67,227.34, 100,817.52 and 19,829.85 is: 29,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227.34 : 100,817.52 = 19,829.85 : x
  2. Step 2: Convert to fraction form
    67,227.34/100,817.52 = 19,829.85/x
  3. Step 3: Cross multiply
    67,227.34x = 100,817.52 × 19,829.85
  4. Step 4: Simplify right side
    67,227.34x = 1,999,196,620.49
  5. Step 5: Solve for x
    x = 1,999,196,620.49/67,227.34
  6. Step 6: Final answer
    x = 29,737.85

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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.