Home / 36,401.94-50,234.78-20,486.66

Finding the Fourth Proportional to 36,401.94, 50,234.78 and 20,486.66

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Solution

The fourth proportional to 36,401.94, 50,234.78 and 20,486.66 is: 28,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.94 : 50,234.78 = 20,486.66 : x
  2. Step 2: Convert to fraction form
    36,401.94/50,234.78 = 20,486.66/x
  3. Step 3: Cross multiply
    36,401.94x = 50,234.78 × 20,486.66
  4. Step 4: Simplify right side
    36,401.94x = 1,029,142,658.08
  5. Step 5: Solve for x
    x = 1,029,142,658.08/36,401.94
  6. Step 6: Final answer
    x = 28,271.64

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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.