Home / 33,031.42-45,577.65-18,691.90

Finding the Fourth Proportional to 33,031.42, 45,577.65 and 18,691.90

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Solution

The fourth proportional to 33,031.42, 45,577.65 and 18,691.90 is: 25,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.42 : 45,577.65 = 18,691.90 : x
  2. Step 2: Convert to fraction form
    33,031.42/45,577.65 = 18,691.90/x
  3. Step 3: Cross multiply
    33,031.42x = 45,577.65 × 18,691.90
  4. Step 4: Simplify right side
    33,031.42x = 851,932,876.04
  5. Step 5: Solve for x
    x = 851,932,876.04/33,031.42
  6. Step 6: Final answer
    x = 25,791.59

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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.