Home / 35,581.38-49,101.80-19,665.48

Finding the Fourth Proportional to 35,581.38, 49,101.80 and 19,665.48

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Solution

The fourth proportional to 35,581.38, 49,101.80 and 19,665.48 is: 27,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.38 : 49,101.80 = 19,665.48 : x
  2. Step 2: Convert to fraction form
    35,581.38/49,101.80 = 19,665.48/x
  3. Step 3: Cross multiply
    35,581.38x = 49,101.80 × 19,665.48
  4. Step 4: Simplify right side
    35,581.38x = 965,610,367.54
  5. Step 5: Solve for x
    x = 965,610,367.54/35,581.38
  6. Step 6: Final answer
    x = 27,138.08

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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.