Home / 38,451.53-57,676.94-12,156.28

Finding the Fourth Proportional to 38,451.53, 57,676.94 and 12,156.28

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Solution

The fourth proportional to 38,451.53, 57,676.94 and 12,156.28 is: 18,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.53 : 57,676.94 = 12,156.28 : x
  2. Step 2: Convert to fraction form
    38,451.53/57,676.94 = 12,156.28/x
  3. Step 3: Cross multiply
    38,451.53x = 57,676.94 × 12,156.28
  4. Step 4: Simplify right side
    38,451.53x = 701,136,743.80
  5. Step 5: Solve for x
    x = 701,136,743.80/38,451.53
  6. Step 6: Final answer
    x = 18,234.30

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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.