Home / 35,556.39-49,067.91-19,640.43

Finding the Fourth Proportional to 35,556.39, 49,067.91 and 19,640.43

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Solution

The fourth proportional to 35,556.39, 49,067.91 and 19,640.43 is: 27,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.39 : 49,067.91 = 19,640.43 : x
  2. Step 2: Convert to fraction form
    35,556.39/49,067.91 = 19,640.43/x
  3. Step 3: Cross multiply
    35,556.39x = 49,067.91 × 19,640.43
  4. Step 4: Simplify right side
    35,556.39x = 963,714,851.60
  5. Step 5: Solve for x
    x = 963,714,851.60/35,556.39
  6. Step 6: Final answer
    x = 27,103.84

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1.5x scale

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.