Home / 33,876.10-50,758.72-20,508.58

Finding the Fourth Proportional to 33,876.10, 50,758.72 and 20,508.58

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Solution

The fourth proportional to 33,876.10, 50,758.72 and 20,508.58 is: 30,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,876.10 : 50,758.72 = 20,508.58 : x
  2. Step 2: Convert to fraction form
    33,876.10/50,758.72 = 20,508.58/x
  3. Step 3: Cross multiply
    33,876.10x = 50,758.72 × 20,508.58
  4. Step 4: Simplify right side
    33,876.10x = 1,040,988,913.48
  5. Step 5: Solve for x
    x = 1,040,988,913.48/33,876.10
  6. Step 6: Final answer
    x = 30,729.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.