Home / 36,638.31-54,919.09-16,929.80

Finding the Fourth Proportional to 36,638.31, 54,919.09 and 16,929.80

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Solution

The fourth proportional to 36,638.31, 54,919.09 and 16,929.80 is: 25,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.31 : 54,919.09 = 16,929.80 : x
  2. Step 2: Convert to fraction form
    36,638.31/54,919.09 = 16,929.80/x
  3. Step 3: Cross multiply
    36,638.31x = 54,919.09 × 16,929.80
  4. Step 4: Simplify right side
    36,638.31x = 929,769,209.88
  5. Step 5: Solve for x
    x = 929,769,209.88/36,638.31
  6. Step 6: Final answer
    x = 25,376.97

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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.