Home / 34,190.10-47,181.42-20,042.64

Finding the Fourth Proportional to 34,190.10, 47,181.42 and 20,042.64

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Solution

The fourth proportional to 34,190.10, 47,181.42 and 20,042.64 is: 27,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,190.10 : 47,181.42 = 20,042.64 : x
  2. Step 2: Convert to fraction form
    34,190.10/47,181.42 = 20,042.64/x
  3. Step 3: Cross multiply
    34,190.10x = 47,181.42 × 20,042.64
  4. Step 4: Simplify right side
    34,190.10x = 945,640,215.75
  5. Step 5: Solve for x
    x = 945,640,215.75/34,190.10
  6. Step 6: Final answer
    x = 27,658.31

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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.