Home / 36,143.34-54,204.62-12,449.94

Finding the Fourth Proportional to 36,143.34, 54,204.62 and 12,449.94

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Solution

The fourth proportional to 36,143.34, 54,204.62 and 12,449.94 is: 18,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.34 : 54,204.62 = 12,449.94 : x
  2. Step 2: Convert to fraction form
    36,143.34/54,204.62 = 12,449.94/x
  3. Step 3: Cross multiply
    36,143.34x = 54,204.62 × 12,449.94
  4. Step 4: Simplify right side
    36,143.34x = 674,844,204.47
  5. Step 5: Solve for x
    x = 674,844,204.47/36,143.34
  6. Step 6: Final answer
    x = 18,671.33

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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.