Home / 36,136.82-54,182.42-17,421.56

Finding the Fourth Proportional to 36,136.82, 54,182.42 and 17,421.56

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Solution

The fourth proportional to 36,136.82, 54,182.42 and 17,421.56 is: 26,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.82 : 54,182.42 = 17,421.56 : x
  2. Step 2: Convert to fraction form
    36,136.82/54,182.42 = 17,421.56/x
  3. Step 3: Cross multiply
    36,136.82x = 54,182.42 × 17,421.56
  4. Step 4: Simplify right side
    36,136.82x = 943,942,280.98
  5. Step 5: Solve for x
    x = 943,942,280.98/36,136.82
  6. Step 6: Final answer
    x = 26,121.34

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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.