Home / 30,996.36-46,489.68-11,272.05

Finding the Fourth Proportional to 30,996.36, 46,489.68 and 11,272.05

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Solution

The fourth proportional to 30,996.36, 46,489.68 and 11,272.05 is: 16,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.36 : 46,489.68 = 11,272.05 : x
  2. Step 2: Convert to fraction form
    30,996.36/46,489.68 = 11,272.05/x
  3. Step 3: Cross multiply
    30,996.36x = 46,489.68 × 11,272.05
  4. Step 4: Simplify right side
    30,996.36x = 524,033,997.44
  5. Step 5: Solve for x
    x = 524,033,997.44/30,996.36
  6. Step 6: Final answer
    x = 16,906.31

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1.5x scale

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.