Home / 49,738.41-68,640.12-28,229.58

Finding the Fourth Proportional to 49,738.41, 68,640.12 and 28,229.58

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Solution

The fourth proportional to 49,738.41, 68,640.12 and 28,229.58 is: 38,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.41 : 68,640.12 = 28,229.58 : x
  2. Step 2: Convert to fraction form
    49,738.41/68,640.12 = 28,229.58/x
  3. Step 3: Cross multiply
    49,738.41x = 68,640.12 × 28,229.58
  4. Step 4: Simplify right side
    49,738.41x = 1,937,681,758.75
  5. Step 5: Solve for x
    x = 1,937,681,758.75/49,738.41
  6. Step 6: Final answer
    x = 38,957.45

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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.