Home / 36,266.10-54,438.03-18,731.22

Finding the Fourth Proportional to 36,266.10, 54,438.03 and 18,731.22

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Solution

The fourth proportional to 36,266.10, 54,438.03 and 18,731.22 is: 28,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,266.10 : 54,438.03 = 18,731.22 : x
  2. Step 2: Convert to fraction form
    36,266.10/54,438.03 = 18,731.22/x
  3. Step 3: Cross multiply
    36,266.10x = 54,438.03 × 18,731.22
  4. Step 4: Simplify right side
    36,266.10x = 1,019,690,716.30
  5. Step 5: Solve for x
    x = 1,019,690,716.30/36,266.10
  6. Step 6: Final answer
    x = 28,116.91

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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.