Home / 36,660.08-54,997.08-12,638

Finding the Fourth Proportional to 36,660.08, 54,997.08 and 12,638

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Solution

The fourth proportional to 36,660.08, 54,997.08 and 12,638 is: 18,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.08 : 54,997.08 = 12,638 : x
  2. Step 2: Convert to fraction form
    36,660.08/54,997.08 = 12,638/x
  3. Step 3: Cross multiply
    36,660.08x = 54,997.08 × 12,638
  4. Step 4: Simplify right side
    36,660.08x = 695,053,097.04
  5. Step 5: Solve for x
    x = 695,053,097.04/36,660.08
  6. Step 6: Final answer
    x = 18,959.40

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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.