Home / 37,456.11-51,690.94-21,540.56

Finding the Fourth Proportional to 37,456.11, 51,690.94 and 21,540.56

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Solution

The fourth proportional to 37,456.11, 51,690.94 and 21,540.56 is: 29,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,456.11 : 51,690.94 = 21,540.56 : x
  2. Step 2: Convert to fraction form
    37,456.11/51,690.94 = 21,540.56/x
  3. Step 3: Cross multiply
    37,456.11x = 51,690.94 × 21,540.56
  4. Step 4: Simplify right side
    37,456.11x = 1,113,451,482.22
  5. Step 5: Solve for x
    x = 1,113,451,482.22/37,456.11
  6. Step 6: Final answer
    x = 29,726.83

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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.