Home / 30,921.17-46,377.65-8,736.56

Finding the Fourth Proportional to 30,921.17, 46,377.65 and 8,736.56

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Solution

The fourth proportional to 30,921.17, 46,377.65 and 8,736.56 is: 13,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.17 : 46,377.65 = 8,736.56 : x
  2. Step 2: Convert to fraction form
    30,921.17/46,377.65 = 8,736.56/x
  3. Step 3: Cross multiply
    30,921.17x = 46,377.65 × 8,736.56
  4. Step 4: Simplify right side
    30,921.17x = 405,181,121.88
  5. Step 5: Solve for x
    x = 405,181,121.88/30,921.17
  6. Step 6: Final answer
    x = 13,103.68

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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.