Home / 35,896.78-53,845.20-11,272.78

Finding the Fourth Proportional to 35,896.78, 53,845.20 and 11,272.78

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Solution

The fourth proportional to 35,896.78, 53,845.20 and 11,272.78 is: 16,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,896.78 : 53,845.20 = 11,272.78 : x
  2. Step 2: Convert to fraction form
    35,896.78/53,845.20 = 11,272.78/x
  3. Step 3: Cross multiply
    35,896.78x = 53,845.20 × 11,272.78
  4. Step 4: Simplify right side
    35,896.78x = 606,985,093.66
  5. Step 5: Solve for x
    x = 606,985,093.66/35,896.78
  6. Step 6: Final answer
    x = 16,909.18

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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.