Home / 36,910.75-50,939.57-21,000.33

Finding the Fourth Proportional to 36,910.75, 50,939.57 and 21,000.33

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Solution

The fourth proportional to 36,910.75, 50,939.57 and 21,000.33 is: 28,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.75 : 50,939.57 = 21,000.33 : x
  2. Step 2: Convert to fraction form
    36,910.75/50,939.57 = 21,000.33/x
  3. Step 3: Cross multiply
    36,910.75x = 50,939.57 × 21,000.33
  4. Step 4: Simplify right side
    36,910.75x = 1,069,747,780.06
  5. Step 5: Solve for x
    x = 1,069,747,780.06/36,910.75
  6. Step 6: Final answer
    x = 28,982.01

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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.