Home / 49,738.16-68,617.08-28,512.56

Finding the Fourth Proportional to 49,738.16, 68,617.08 and 28,512.56

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Solution

The fourth proportional to 49,738.16, 68,617.08 and 28,512.56 is: 39,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.16 : 68,617.08 = 28,512.56 : x
  2. Step 2: Convert to fraction form
    49,738.16/68,617.08 = 28,512.56/x
  3. Step 3: Cross multiply
    49,738.16x = 68,617.08 × 28,512.56
  4. Step 4: Simplify right side
    49,738.16x = 1,956,448,610.52
  5. Step 5: Solve for x
    x = 1,956,448,610.52/49,738.16
  6. Step 6: Final answer
    x = 39,334.96

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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.