Home / 33,422.08-50,113.68-12,647.20

Finding the Fourth Proportional to 33,422.08, 50,113.68 and 12,647.20

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Solution

The fourth proportional to 33,422.08, 50,113.68 and 12,647.20 is: 18,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.08 : 50,113.68 = 12,647.20 : x
  2. Step 2: Convert to fraction form
    33,422.08/50,113.68 = 12,647.20/x
  3. Step 3: Cross multiply
    33,422.08x = 50,113.68 × 12,647.20
  4. Step 4: Simplify right side
    33,422.08x = 633,797,733.70
  5. Step 5: Solve for x
    x = 633,797,733.70/33,422.08
  6. Step 6: Final answer
    x = 18,963.44

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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.