Home / 36,404.22-50,239.44-20,489.70

Finding the Fourth Proportional to 36,404.22, 50,239.44 and 20,489.70

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Solution

The fourth proportional to 36,404.22, 50,239.44 and 20,489.70 is: 28,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.22 : 50,239.44 = 20,489.70 : x
  2. Step 2: Convert to fraction form
    36,404.22/50,239.44 = 20,489.70/x
  3. Step 3: Cross multiply
    36,404.22x = 50,239.44 × 20,489.70
  4. Step 4: Simplify right side
    36,404.22x = 1,029,391,053.77
  5. Step 5: Solve for x
    x = 1,029,391,053.77/36,404.22
  6. Step 6: Final answer
    x = 28,276.70

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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.