Home / 29,335.08-40,481.34-15,906.12

Finding the Fourth Proportional to 29,335.08, 40,481.34 and 15,906.12

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Solution

The fourth proportional to 29,335.08, 40,481.34 and 15,906.12 is: 21,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,335.08 : 40,481.34 = 15,906.12 : x
  2. Step 2: Convert to fraction form
    29,335.08/40,481.34 = 15,906.12/x
  3. Step 3: Cross multiply
    29,335.08x = 40,481.34 × 15,906.12
  4. Step 4: Simplify right side
    29,335.08x = 643,901,051.80
  5. Step 5: Solve for x
    x = 643,901,051.80/29,335.08
  6. Step 6: Final answer
    x = 21,949.87

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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.