Home / 30,839.11-46,277.69-12,115.85

Finding the Fourth Proportional to 30,839.11, 46,277.69 and 12,115.85

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Solution

The fourth proportional to 30,839.11, 46,277.69 and 12,115.85 is: 18,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.11 : 46,277.69 = 12,115.85 : x
  2. Step 2: Convert to fraction form
    30,839.11/46,277.69 = 12,115.85/x
  3. Step 3: Cross multiply
    30,839.11x = 46,277.69 × 12,115.85
  4. Step 4: Simplify right side
    30,839.11x = 560,693,550.39
  5. Step 5: Solve for x
    x = 560,693,550.39/30,839.11
  6. Step 6: Final answer
    x = 18,181.25

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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.