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Finding the Fourth Proportional to 36,886, 50,903.04 and 20,119.36

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Solution

The fourth proportional to 36,886, 50,903.04 and 20,119.36 is: 27,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,886 : 50,903.04 = 20,119.36 : x
  2. Step 2: Convert to fraction form
    36,886/50,903.04 = 20,119.36/x
  3. Step 3: Cross multiply
    36,886x = 50,903.04 × 20,119.36
  4. Step 4: Simplify right side
    36,886x = 1,024,136,586.85
  5. Step 5: Solve for x
    x = 1,024,136,586.85/36,886
  6. Step 6: Final answer
    x = 27,764.91

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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.