Home / 36,381.35-54,511.65-12,676.38

Finding the Fourth Proportional to 36,381.35, 54,511.65 and 12,676.38

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Solution

The fourth proportional to 36,381.35, 54,511.65 and 12,676.38 is: 18,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.35 : 54,511.65 = 12,676.38 : x
  2. Step 2: Convert to fraction form
    36,381.35/54,511.65 = 12,676.38/x
  3. Step 3: Cross multiply
    36,381.35x = 54,511.65 × 12,676.38
  4. Step 4: Simplify right side
    36,381.35x = 691,010,389.83
  5. Step 5: Solve for x
    x = 691,010,389.83/36,381.35
  6. Step 6: Final answer
    x = 18,993.54

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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.