Home / 36,105.32-54,112.88-17,381.88

Finding the Fourth Proportional to 36,105.32, 54,112.88 and 17,381.88

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Solution

The fourth proportional to 36,105.32, 54,112.88 and 17,381.88 is: 26,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.32 : 54,112.88 = 17,381.88 : x
  2. Step 2: Convert to fraction form
    36,105.32/54,112.88 = 17,381.88/x
  3. Step 3: Cross multiply
    36,105.32x = 54,112.88 × 17,381.88
  4. Step 4: Simplify right side
    36,105.32x = 940,583,586.61
  5. Step 5: Solve for x
    x = 940,583,586.61/36,105.32
  6. Step 6: Final answer
    x = 26,051.11

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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.