Home / 37,076.10-55,620.21-12,108.90

Finding the Fourth Proportional to 37,076.10, 55,620.21 and 12,108.90

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Solution

The fourth proportional to 37,076.10, 55,620.21 and 12,108.90 is: 18,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,076.10 : 55,620.21 = 12,108.90 : x
  2. Step 2: Convert to fraction form
    37,076.10/55,620.21 = 12,108.90/x
  3. Step 3: Cross multiply
    37,076.10x = 55,620.21 × 12,108.90
  4. Step 4: Simplify right side
    37,076.10x = 673,499,560.87
  5. Step 5: Solve for x
    x = 673,499,560.87/37,076.10
  6. Step 6: Final answer
    x = 18,165.33

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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.