Home / 36,139.16-54,213.91-11,181.35

Finding the Fourth Proportional to 36,139.16, 54,213.91 and 11,181.35

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Solution

The fourth proportional to 36,139.16, 54,213.91 and 11,181.35 is: 16,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.16 : 54,213.91 = 11,181.35 : x
  2. Step 2: Convert to fraction form
    36,139.16/54,213.91 = 11,181.35/x
  3. Step 3: Cross multiply
    36,139.16x = 54,213.91 × 11,181.35
  4. Step 4: Simplify right side
    36,139.16x = 606,184,403.56
  5. Step 5: Solve for x
    x = 606,184,403.56/36,139.16
  6. Step 6: Final answer
    x = 16,773.62

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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.