Home / 35,530.31-49,031.19-19,614.42

Finding the Fourth Proportional to 35,530.31, 49,031.19 and 19,614.42

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Solution

The fourth proportional to 35,530.31, 49,031.19 and 19,614.42 is: 27,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.31 : 49,031.19 = 19,614.42 : x
  2. Step 2: Convert to fraction form
    35,530.31/49,031.19 = 19,614.42/x
  3. Step 3: Cross multiply
    35,530.31x = 49,031.19 × 19,614.42
  4. Step 4: Simplify right side
    35,530.31x = 961,718,353.76
  5. Step 5: Solve for x
    x = 961,718,353.76/35,530.31
  6. Step 6: Final answer
    x = 27,067.55

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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.