Home / 36,064.72-49,768.40-20,149.28

Finding the Fourth Proportional to 36,064.72, 49,768.40 and 20,149.28

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Solution

The fourth proportional to 36,064.72, 49,768.40 and 20,149.28 is: 27,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.72 : 49,768.40 = 20,149.28 : x
  2. Step 2: Convert to fraction form
    36,064.72/49,768.40 = 20,149.28/x
  3. Step 3: Cross multiply
    36,064.72x = 49,768.40 × 20,149.28
  4. Step 4: Simplify right side
    36,064.72x = 1,002,797,426.75
  5. Step 5: Solve for x
    x = 1,002,797,426.75/36,064.72
  6. Step 6: Final answer
    x = 27,805.50

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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.