Home / 36,689.10-54,997.20-16,933.20

Finding the Fourth Proportional to 36,689.10, 54,997.20 and 16,933.20

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Solution

The fourth proportional to 36,689.10, 54,997.20 and 16,933.20 is: 25,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.10 : 54,997.20 = 16,933.20 : x
  2. Step 2: Convert to fraction form
    36,689.10/54,997.20 = 16,933.20/x
  3. Step 3: Cross multiply
    36,689.10x = 54,997.20 × 16,933.20
  4. Step 4: Simplify right side
    36,689.10x = 931,278,587.04
  5. Step 5: Solve for x
    x = 931,278,587.04/36,689.10
  6. Step 6: Final answer
    x = 25,382.98

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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.