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Finding the Fourth Proportional to 36,703.68, 50,650.80 and 19,936.80

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Solution

The fourth proportional to 36,703.68, 50,650.80 and 19,936.80 is: 27,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.68 : 50,650.80 = 19,936.80 : x
  2. Step 2: Convert to fraction form
    36,703.68/50,650.80 = 19,936.80/x
  3. Step 3: Cross multiply
    36,703.68x = 50,650.80 × 19,936.80
  4. Step 4: Simplify right side
    36,703.68x = 1,009,814,869.44
  5. Step 5: Solve for x
    x = 1,009,814,869.44/36,703.68
  6. Step 6: Final answer
    x = 27,512.63

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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.