Home / 35,530.80-49,031.22-19,614.91

Finding the Fourth Proportional to 35,530.80, 49,031.22 and 19,614.91

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Solution

The fourth proportional to 35,530.80, 49,031.22 and 19,614.91 is: 27,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.80 : 49,031.22 = 19,614.91 : x
  2. Step 2: Convert to fraction form
    35,530.80/49,031.22 = 19,614.91/x
  3. Step 3: Cross multiply
    35,530.80x = 49,031.22 × 19,614.91
  4. Step 4: Simplify right side
    35,530.80x = 961,742,967.49
  5. Step 5: Solve for x
    x = 961,742,967.49/35,530.80
  6. Step 6: Final answer
    x = 27,067.87

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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.