Home / 50,621.22-75,951.51-21,031.62

Finding the Fourth Proportional to 50,621.22, 75,951.51 and 21,031.62

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Solution

The fourth proportional to 50,621.22, 75,951.51 and 21,031.62 is: 31,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.22 : 75,951.51 = 21,031.62 : x
  2. Step 2: Convert to fraction form
    50,621.22/75,951.51 = 21,031.62/x
  3. Step 3: Cross multiply
    50,621.22x = 75,951.51 × 21,031.62
  4. Step 4: Simplify right side
    50,621.22x = 1,597,383,296.75
  5. Step 5: Solve for x
    x = 1,597,383,296.75/50,621.22
  6. Step 6: Final answer
    x = 31,555.61

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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.