Home / 36,136.03-54,190.56-12,436.87

Finding the Fourth Proportional to 36,136.03, 54,190.56 and 12,436.87

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Solution

The fourth proportional to 36,136.03, 54,190.56 and 12,436.87 is: 18,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.03 : 54,190.56 = 12,436.87 : x
  2. Step 2: Convert to fraction form
    36,136.03/54,190.56 = 12,436.87/x
  3. Step 3: Cross multiply
    36,136.03x = 54,190.56 × 12,436.87
  4. Step 4: Simplify right side
    36,136.03x = 673,960,949.95
  5. Step 5: Solve for x
    x = 673,960,949.95/36,136.03
  6. Step 6: Final answer
    x = 18,650.66

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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.