Home / 30,740.38-46,110.60-8,553.80

Finding the Fourth Proportional to 30,740.38, 46,110.60 and 8,553.80

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Solution

The fourth proportional to 30,740.38, 46,110.60 and 8,553.80 is: 12,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.38 : 46,110.60 = 8,553.80 : x
  2. Step 2: Convert to fraction form
    30,740.38/46,110.60 = 8,553.80/x
  3. Step 3: Cross multiply
    30,740.38x = 46,110.60 × 8,553.80
  4. Step 4: Simplify right side
    30,740.38x = 394,420,965.56
  5. Step 5: Solve for x
    x = 394,420,965.56/30,740.38
  6. Step 6: Final answer
    x = 12,830.71

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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.