Home / 35,691.12-49,249.64-19,771.52

Finding the Fourth Proportional to 35,691.12, 49,249.64 and 19,771.52

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Solution

The fourth proportional to 35,691.12, 49,249.64 and 19,771.52 is: 27,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.12 : 49,249.64 = 19,771.52 : x
  2. Step 2: Convert to fraction form
    35,691.12/49,249.64 = 19,771.52/x
  3. Step 3: Cross multiply
    35,691.12x = 49,249.64 × 19,771.52
  4. Step 4: Simplify right side
    35,691.12x = 973,740,242.25
  5. Step 5: Solve for x
    x = 973,740,242.25/35,691.12
  6. Step 6: Final answer
    x = 27,282.42

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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.