Home / 33,234.18-45,837.24-21,298.64

Finding the Fourth Proportional to 33,234.18, 45,837.24 and 21,298.64

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Solution

The fourth proportional to 33,234.18, 45,837.24 and 21,298.64 is: 29,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,234.18 : 45,837.24 = 21,298.64 : x
  2. Step 2: Convert to fraction form
    33,234.18/45,837.24 = 21,298.64/x
  3. Step 3: Cross multiply
    33,234.18x = 45,837.24 × 21,298.64
  4. Step 4: Simplify right side
    33,234.18x = 976,270,873.35
  5. Step 5: Solve for x
    x = 976,270,873.35/33,234.18
  6. Step 6: Final answer
    x = 29,375.51

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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.