Home / 51,609.45-71,138.73-38,843.44

Finding the Fourth Proportional to 51,609.45, 71,138.73 and 38,843.44

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Solution

The fourth proportional to 51,609.45, 71,138.73 and 38,843.44 is: 53,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,609.45 : 71,138.73 = 38,843.44 : x
  2. Step 2: Convert to fraction form
    51,609.45/71,138.73 = 38,843.44/x
  3. Step 3: Cross multiply
    51,609.45x = 71,138.73 × 38,843.44
  4. Step 4: Simplify right side
    51,609.45x = 2,763,272,990.43
  5. Step 5: Solve for x
    x = 2,763,272,990.43/51,609.45
  6. Step 6: Final answer
    x = 53,542.00

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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.