Home / 37,644.20-51,949.56-20,650.10

Finding the Fourth Proportional to 37,644.20, 51,949.56 and 20,650.10

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Solution

The fourth proportional to 37,644.20, 51,949.56 and 20,650.10 is: 28,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.20 : 51,949.56 = 20,650.10 : x
  2. Step 2: Convert to fraction form
    37,644.20/51,949.56 = 20,650.10/x
  3. Step 3: Cross multiply
    37,644.20x = 51,949.56 × 20,650.10
  4. Step 4: Simplify right side
    37,644.20x = 1,072,763,608.96
  5. Step 5: Solve for x
    x = 1,072,763,608.96/37,644.20
  6. Step 6: Final answer
    x = 28,497.45

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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.