Home / 40,379.46-60,581.60-20,671.85

Finding the Fourth Proportional to 40,379.46, 60,581.60 and 20,671.85

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Solution

The fourth proportional to 40,379.46, 60,581.60 and 20,671.85 is: 31,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.46 : 60,581.60 = 20,671.85 : x
  2. Step 2: Convert to fraction form
    40,379.46/60,581.60 = 20,671.85/x
  3. Step 3: Cross multiply
    40,379.46x = 60,581.60 × 20,671.85
  4. Step 4: Simplify right side
    40,379.46x = 1,252,333,644.60
  5. Step 5: Solve for x
    x = 1,252,333,644.60/40,379.46
  6. Step 6: Final answer
    x = 31,014.13

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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.