Home / 36,220.85-49,984.73-20,305.29

Finding the Fourth Proportional to 36,220.85, 49,984.73 and 20,305.29

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Solution

The fourth proportional to 36,220.85, 49,984.73 and 20,305.29 is: 28,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.85 : 49,984.73 = 20,305.29 : x
  2. Step 2: Convert to fraction form
    36,220.85/49,984.73 = 20,305.29/x
  3. Step 3: Cross multiply
    36,220.85x = 49,984.73 × 20,305.29
  4. Step 4: Simplify right side
    36,220.85x = 1,014,954,676.43
  5. Step 5: Solve for x
    x = 1,014,954,676.43/36,220.85
  6. Step 6: Final answer
    x = 28,021.29

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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.