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Finding the Fourth Proportional to 36,544.92, 50,431.92 and 19,777.92

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Solution

The fourth proportional to 36,544.92, 50,431.92 and 19,777.92 is: 27,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,544.92 : 50,431.92 = 19,777.92 : x
  2. Step 2: Convert to fraction form
    36,544.92/50,431.92 = 19,777.92/x
  3. Step 3: Cross multiply
    36,544.92x = 50,431.92 × 19,777.92
  4. Step 4: Simplify right side
    36,544.92x = 997,438,479.21
  5. Step 5: Solve for x
    x = 997,438,479.21/36,544.92
  6. Step 6: Final answer
    x = 27,293.49

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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.