Home / 35,296.74-48,711.09-21,149.28

Finding the Fourth Proportional to 35,296.74, 48,711.09 and 21,149.28

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Solution

The fourth proportional to 35,296.74, 48,711.09 and 21,149.28 is: 29,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,296.74 : 48,711.09 = 21,149.28 : x
  2. Step 2: Convert to fraction form
    35,296.74/48,711.09 = 21,149.28/x
  3. Step 3: Cross multiply
    35,296.74x = 48,711.09 × 21,149.28
  4. Step 4: Simplify right side
    35,296.74x = 1,030,204,481.52
  5. Step 5: Solve for x
    x = 1,030,204,481.52/35,296.74
  6. Step 6: Final answer
    x = 29,186.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.