Home / 49,738.72-68,637.36-27,381.28

Finding the Fourth Proportional to 49,738.72, 68,637.36 and 27,381.28

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Solution

The fourth proportional to 49,738.72, 68,637.36 and 27,381.28 is: 37,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.72 : 68,637.36 = 27,381.28 : x
  2. Step 2: Convert to fraction form
    49,738.72/68,637.36 = 27,381.28/x
  3. Step 3: Cross multiply
    49,738.72x = 68,637.36 × 27,381.28
  4. Step 4: Simplify right side
    49,738.72x = 1,879,378,772.62
  5. Step 5: Solve for x
    x = 1,879,378,772.62/49,738.72
  6. Step 6: Final answer
    x = 37,785.02

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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.