Home / 30,909.89-46,364.87-11,183.83

Finding the Fourth Proportional to 30,909.89, 46,364.87 and 11,183.83

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Solution

The fourth proportional to 30,909.89, 46,364.87 and 11,183.83 is: 16,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.89 : 46,364.87 = 11,183.83 : x
  2. Step 2: Convert to fraction form
    30,909.89/46,364.87 = 11,183.83/x
  3. Step 3: Cross multiply
    30,909.89x = 46,364.87 × 11,183.83
  4. Step 4: Simplify right side
    30,909.89x = 518,536,736.10
  5. Step 5: Solve for x
    x = 518,536,736.10/30,909.89
  6. Step 6: Final answer
    x = 16,775.75

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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.