Home / 35,179.47-48,497.64-21,743.12

Finding the Fourth Proportional to 35,179.47, 48,497.64 and 21,743.12

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Solution

The fourth proportional to 35,179.47, 48,497.64 and 21,743.12 is: 29,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,179.47 : 48,497.64 = 21,743.12 : x
  2. Step 2: Convert to fraction form
    35,179.47/48,497.64 = 21,743.12/x
  3. Step 3: Cross multiply
    35,179.47x = 48,497.64 × 21,743.12
  4. Step 4: Simplify right side
    35,179.47x = 1,054,489,763.75
  5. Step 5: Solve for x
    x = 1,054,489,763.75/35,179.47
  6. Step 6: Final answer
    x = 29,974.58

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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.