Home / 36,131.67-49,861.76-20,216.43

Finding the Fourth Proportional to 36,131.67, 49,861.76 and 20,216.43

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Solution

The fourth proportional to 36,131.67, 49,861.76 and 20,216.43 is: 27,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.67 : 49,861.76 = 20,216.43 : x
  2. Step 2: Convert to fraction form
    36,131.67/49,861.76 = 20,216.43/x
  3. Step 3: Cross multiply
    36,131.67x = 49,861.76 × 20,216.43
  4. Step 4: Simplify right side
    36,131.67x = 1,008,026,679.63
  5. Step 5: Solve for x
    x = 1,008,026,679.63/36,131.67
  6. Step 6: Final answer
    x = 27,898.70

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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.