Home / 37,825.12-52,197.48-21,909.88

Finding the Fourth Proportional to 37,825.12, 52,197.48 and 21,909.88

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Solution

The fourth proportional to 37,825.12, 52,197.48 and 21,909.88 is: 30,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,825.12 : 52,197.48 = 21,909.88 : x
  2. Step 2: Convert to fraction form
    37,825.12/52,197.48 = 21,909.88/x
  3. Step 3: Cross multiply
    37,825.12x = 52,197.48 × 21,909.88
  4. Step 4: Simplify right side
    37,825.12x = 1,143,640,523.10
  5. Step 5: Solve for x
    x = 1,143,640,523.10/37,825.12
  6. Step 6: Final answer
    x = 30,234.95

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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.