Home / 30,721.25-46,081.83-9,663.14

Finding the Fourth Proportional to 30,721.25, 46,081.83 and 9,663.14

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Solution

The fourth proportional to 30,721.25, 46,081.83 and 9,663.14 is: 14,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.25 : 46,081.83 = 9,663.14 : x
  2. Step 2: Convert to fraction form
    30,721.25/46,081.83 = 9,663.14/x
  3. Step 3: Cross multiply
    30,721.25x = 46,081.83 × 9,663.14
  4. Step 4: Simplify right side
    30,721.25x = 445,295,174.75
  5. Step 5: Solve for x
    x = 445,295,174.75/30,721.25
  6. Step 6: Final answer
    x = 14,494.70

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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.