Home / 30,960.49-46,447.78-11,239.03

Finding the Fourth Proportional to 30,960.49, 46,447.78 and 11,239.03

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Solution

The fourth proportional to 30,960.49, 46,447.78 and 11,239.03 is: 16,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.49 : 46,447.78 = 11,239.03 : x
  2. Step 2: Convert to fraction form
    30,960.49/46,447.78 = 11,239.03/x
  3. Step 3: Cross multiply
    30,960.49x = 46,447.78 × 11,239.03
  4. Step 4: Simplify right side
    30,960.49x = 522,027,992.85
  5. Step 5: Solve for x
    x = 522,027,992.85/30,960.49
  6. Step 6: Final answer
    x = 16,861.11

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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.