Home / 36,091.90-54,124.34-12,392.72

Finding the Fourth Proportional to 36,091.90, 54,124.34 and 12,392.72

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Solution

The fourth proportional to 36,091.90, 54,124.34 and 12,392.72 is: 18,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.90 : 54,124.34 = 12,392.72 : x
  2. Step 2: Convert to fraction form
    36,091.90/54,124.34 = 12,392.72/x
  3. Step 3: Cross multiply
    36,091.90x = 54,124.34 × 12,392.72
  4. Step 4: Simplify right side
    36,091.90x = 670,747,520.18
  5. Step 5: Solve for x
    x = 670,747,520.18/36,091.90
  6. Step 6: Final answer
    x = 18,584.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.