Home / 36,136.05-54,203.76-28,245.21

Finding the Fourth Proportional to 36,136.05, 54,203.76 and 28,245.21

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Solution

The fourth proportional to 36,136.05, 54,203.76 and 28,245.21 is: 42,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.05 : 54,203.76 = 28,245.21 : x
  2. Step 2: Convert to fraction form
    36,136.05/54,203.76 = 28,245.21/x
  3. Step 3: Cross multiply
    36,136.05x = 54,203.76 × 28,245.21
  4. Step 4: Simplify right side
    36,136.05x = 1,530,996,583.99
  5. Step 5: Solve for x
    x = 1,530,996,583.99/36,136.05
  6. Step 6: Final answer
    x = 42,367.57

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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.