Home / 45,166.40-67,737.17-18,866.78

Finding the Fourth Proportional to 45,166.40, 67,737.17 and 18,866.78

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Solution

The fourth proportional to 45,166.40, 67,737.17 and 18,866.78 is: 28,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.40 : 67,737.17 = 18,866.78 : x
  2. Step 2: Convert to fraction form
    45,166.40/67,737.17 = 18,866.78/x
  3. Step 3: Cross multiply
    45,166.40x = 67,737.17 × 18,866.78
  4. Step 4: Simplify right side
    45,166.40x = 1,277,981,992.69
  5. Step 5: Solve for x
    x = 1,277,981,992.69/45,166.40
  6. Step 6: Final answer
    x = 28,294.97

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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.