Home / 36,235.82-54,369.23-18,717.95

Finding the Fourth Proportional to 36,235.82, 54,369.23 and 18,717.95

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Solution

The fourth proportional to 36,235.82, 54,369.23 and 18,717.95 is: 28,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.82 : 54,369.23 = 18,717.95 : x
  2. Step 2: Convert to fraction form
    36,235.82/54,369.23 = 18,717.95/x
  3. Step 3: Cross multiply
    36,235.82x = 54,369.23 × 18,717.95
  4. Step 4: Simplify right side
    36,235.82x = 1,017,680,571.01
  5. Step 5: Solve for x
    x = 1,017,680,571.01/36,235.82
  6. Step 6: Final answer
    x = 28,084.93

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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.