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Finding the Fourth Proportional to 36,814.42, 50,804.49 and 20,047.42

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Solution

The fourth proportional to 36,814.42, 50,804.49 and 20,047.42 is: 27,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,814.42 : 50,804.49 = 20,047.42 : x
  2. Step 2: Convert to fraction form
    36,814.42/50,804.49 = 20,047.42/x
  3. Step 3: Cross multiply
    36,814.42x = 50,804.49 × 20,047.42
  4. Step 4: Simplify right side
    36,814.42x = 1,018,498,948.92
  5. Step 5: Solve for x
    x = 1,018,498,948.92/36,814.42
  6. Step 6: Final answer
    x = 27,665.76

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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.