Home / 36,100.72-54,156.21-11,142.82

Finding the Fourth Proportional to 36,100.72, 54,156.21 and 11,142.82

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Solution

The fourth proportional to 36,100.72, 54,156.21 and 11,142.82 is: 16,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.72 : 54,156.21 = 11,142.82 : x
  2. Step 2: Convert to fraction form
    36,100.72/54,156.21 = 11,142.82/x
  3. Step 3: Cross multiply
    36,100.72x = 54,156.21 × 11,142.82
  4. Step 4: Simplify right side
    36,100.72x = 603,452,899.91
  5. Step 5: Solve for x
    x = 603,452,899.91/36,100.72
  6. Step 6: Final answer
    x = 16,715.81

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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.