Home / 36,105.62-49,840.90-21,963.38

Finding the Fourth Proportional to 36,105.62, 49,840.90 and 21,963.38

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Solution

The fourth proportional to 36,105.62, 49,840.90 and 21,963.38 is: 30,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.62 : 49,840.90 = 21,963.38 : x
  2. Step 2: Convert to fraction form
    36,105.62/49,840.90 = 21,963.38/x
  3. Step 3: Cross multiply
    36,105.62x = 49,840.90 × 21,963.38
  4. Step 4: Simplify right side
    36,105.62x = 1,094,674,626.24
  5. Step 5: Solve for x
    x = 1,094,674,626.24/36,105.62
  6. Step 6: Final answer
    x = 30,318.68

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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.