Home / 36,489.85-50,355.99-19,722.85

Finding the Fourth Proportional to 36,489.85, 50,355.99 and 19,722.85

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Solution

The fourth proportional to 36,489.85, 50,355.99 and 19,722.85 is: 27,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.85 : 50,355.99 = 19,722.85 : x
  2. Step 2: Convert to fraction form
    36,489.85/50,355.99 = 19,722.85/x
  3. Step 3: Cross multiply
    36,489.85x = 50,355.99 × 19,722.85
  4. Step 4: Simplify right side
    36,489.85x = 993,163,511.48
  5. Step 5: Solve for x
    x = 993,163,511.48/36,489.85
  6. Step 6: Final answer
    x = 27,217.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.