Home / 36,072.66-54,111.66-12,381.96

Finding the Fourth Proportional to 36,072.66, 54,111.66 and 12,381.96

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Solution

The fourth proportional to 36,072.66, 54,111.66 and 12,381.96 is: 18,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.66 : 54,111.66 = 12,381.96 : x
  2. Step 2: Convert to fraction form
    36,072.66/54,111.66 = 12,381.96/x
  3. Step 3: Cross multiply
    36,072.66x = 54,111.66 × 12,381.96
  4. Step 4: Simplify right side
    36,072.66x = 670,008,409.65
  5. Step 5: Solve for x
    x = 670,008,409.65/36,072.66
  6. Step 6: Final answer
    x = 18,573.86

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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.