Home / 29,198.72-43,778.10-10,478.34

Finding the Fourth Proportional to 29,198.72, 43,778.10 and 10,478.34

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Solution

The fourth proportional to 29,198.72, 43,778.10 and 10,478.34 is: 15,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198.72 : 43,778.10 = 10,478.34 : x
  2. Step 2: Convert to fraction form
    29,198.72/43,778.10 = 10,478.34/x
  3. Step 3: Cross multiply
    29,198.72x = 43,778.10 × 10,478.34
  4. Step 4: Simplify right side
    29,198.72x = 458,721,816.35
  5. Step 5: Solve for x
    x = 458,721,816.35/29,198.72
  6. Step 6: Final answer
    x = 15,710.34

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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.