Home / 36,131.18-49,861.26-20,215.89

Finding the Fourth Proportional to 36,131.18, 49,861.26 and 20,215.89

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Solution

The fourth proportional to 36,131.18, 49,861.26 and 20,215.89 is: 27,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.18 : 49,861.26 = 20,215.89 : x
  2. Step 2: Convert to fraction form
    36,131.18/49,861.26 = 20,215.89/x
  3. Step 3: Cross multiply
    36,131.18x = 49,861.26 × 20,215.89
  4. Step 4: Simplify right side
    36,131.18x = 1,007,989,747.42
  5. Step 5: Solve for x
    x = 1,007,989,747.42/36,131.18
  6. Step 6: Final answer
    x = 27,898.06

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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.