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Finding the Fourth Proportional to 36,174.04, 49,919.04 and 20,040.70

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Solution

The fourth proportional to 36,174.04, 49,919.04 and 20,040.70 is: 27,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.04 : 49,919.04 = 20,040.70 : x
  2. Step 2: Convert to fraction form
    36,174.04/49,919.04 = 20,040.70/x
  3. Step 3: Cross multiply
    36,174.04x = 49,919.04 × 20,040.70
  4. Step 4: Simplify right side
    36,174.04x = 1,000,412,504.93
  5. Step 5: Solve for x
    x = 1,000,412,504.93/36,174.04
  6. Step 6: Final answer
    x = 27,655.54

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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.