Home / 36,401.22-50,235.30-20,486.70

Finding the Fourth Proportional to 36,401.22, 50,235.30 and 20,486.70

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Solution

The fourth proportional to 36,401.22, 50,235.30 and 20,486.70 is: 28,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.22 : 50,235.30 = 20,486.70 : x
  2. Step 2: Convert to fraction form
    36,401.22/50,235.30 = 20,486.70/x
  3. Step 3: Cross multiply
    36,401.22x = 50,235.30 × 20,486.70
  4. Step 4: Simplify right side
    36,401.22x = 1,029,155,520.51
  5. Step 5: Solve for x
    x = 1,029,155,520.51/36,401.22
  6. Step 6: Final answer
    x = 28,272.56

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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.