Home / 36,910.72-50,936.64-20,143.68

Finding the Fourth Proportional to 36,910.72, 50,936.64 and 20,143.68

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Solution

The fourth proportional to 36,910.72, 50,936.64 and 20,143.68 is: 27,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.72 : 50,936.64 = 20,143.68 : x
  2. Step 2: Convert to fraction form
    36,910.72/50,936.64 = 20,143.68/x
  3. Step 3: Cross multiply
    36,910.72x = 50,936.64 × 20,143.68
  4. Step 4: Simplify right side
    36,910.72x = 1,026,051,376.44
  5. Step 5: Solve for x
    x = 1,026,051,376.44/36,910.72
  6. Step 6: Final answer
    x = 27,798.19

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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.