Home / 36,753.90-55,122.45-18,015.18

Finding the Fourth Proportional to 36,753.90, 55,122.45 and 18,015.18

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Solution

The fourth proportional to 36,753.90, 55,122.45 and 18,015.18 is: 27,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.90 : 55,122.45 = 18,015.18 : x
  2. Step 2: Convert to fraction form
    36,753.90/55,122.45 = 18,015.18/x
  3. Step 3: Cross multiply
    36,753.90x = 55,122.45 × 18,015.18
  4. Step 4: Simplify right side
    36,753.90x = 993,040,858.79
  5. Step 5: Solve for x
    x = 993,040,858.79/36,753.90
  6. Step 6: Final answer
    x = 27,018.65

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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.