Home / 36,581.22-54,872.05-11,280.38

Finding the Fourth Proportional to 36,581.22, 54,872.05 and 11,280.38

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Solution

The fourth proportional to 36,581.22, 54,872.05 and 11,280.38 is: 16,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.22 : 54,872.05 = 11,280.38 : x
  2. Step 2: Convert to fraction form
    36,581.22/54,872.05 = 11,280.38/x
  3. Step 3: Cross multiply
    36,581.22x = 54,872.05 × 11,280.38
  4. Step 4: Simplify right side
    36,581.22x = 618,977,684.36
  5. Step 5: Solve for x
    x = 618,977,684.36/36,581.22
  6. Step 6: Final answer
    x = 16,920.64

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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.