Home / 40,379.14-60,581.13-20,671.54

Finding the Fourth Proportional to 40,379.14, 60,581.13 and 20,671.54

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Solution

The fourth proportional to 40,379.14, 60,581.13 and 20,671.54 is: 31,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.14 : 60,581.13 = 20,671.54 : x
  2. Step 2: Convert to fraction form
    40,379.14/60,581.13 = 20,671.54/x
  3. Step 3: Cross multiply
    40,379.14x = 60,581.13 × 20,671.54
  4. Step 4: Simplify right side
    40,379.14x = 1,252,305,136.66
  5. Step 5: Solve for x
    x = 1,252,305,136.66/40,379.14
  6. Step 6: Final answer
    x = 31,013.66

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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.