Home / 36,511.97-54,754.19-12,812.18

Finding the Fourth Proportional to 36,511.97, 54,754.19 and 12,812.18

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Solution

The fourth proportional to 36,511.97, 54,754.19 and 12,812.18 is: 19,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.97 : 54,754.19 = 12,812.18 : x
  2. Step 2: Convert to fraction form
    36,511.97/54,754.19 = 12,812.18/x
  3. Step 3: Cross multiply
    36,511.97x = 54,754.19 × 12,812.18
  4. Step 4: Simplify right side
    36,511.97x = 701,520,473.97
  5. Step 5: Solve for x
    x = 701,520,473.97/36,511.97
  6. Step 6: Final answer
    x = 19,213.44

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1.5x scale

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.