Home / 49,738.18-74,513.37-38,512.79

Finding the Fourth Proportional to 49,738.18, 74,513.37 and 38,512.79

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Solution

The fourth proportional to 49,738.18, 74,513.37 and 38,512.79 is: 57,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.18 : 74,513.37 = 38,512.79 : x
  2. Step 2: Convert to fraction form
    49,738.18/74,513.37 = 38,512.79/x
  3. Step 3: Cross multiply
    49,738.18x = 74,513.37 × 38,512.79
  4. Step 4: Simplify right side
    49,738.18x = 2,869,717,771.00
  5. Step 5: Solve for x
    x = 2,869,717,771.00/49,738.18
  6. Step 6: Final answer
    x = 57,696.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.