Home / 35,556.76-49,067.40-19,638.64

Finding the Fourth Proportional to 35,556.76, 49,067.40 and 19,638.64

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Solution

The fourth proportional to 35,556.76, 49,067.40 and 19,638.64 is: 27,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.76 : 49,067.40 = 19,638.64 : x
  2. Step 2: Convert to fraction form
    35,556.76/49,067.40 = 19,638.64/x
  3. Step 3: Cross multiply
    35,556.76x = 49,067.40 × 19,638.64
  4. Step 4: Simplify right side
    35,556.76x = 963,617,004.34
  5. Step 5: Solve for x
    x = 963,617,004.34/35,556.76
  6. Step 6: Final answer
    x = 27,100.81

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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.