Home / 34,738.26-47,940.78-19,630.50

Finding the Fourth Proportional to 34,738.26, 47,940.78 and 19,630.50

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Solution

The fourth proportional to 34,738.26, 47,940.78 and 19,630.50 is: 27,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.26 : 47,940.78 = 19,630.50 : x
  2. Step 2: Convert to fraction form
    34,738.26/47,940.78 = 19,630.50/x
  3. Step 3: Cross multiply
    34,738.26x = 47,940.78 × 19,630.50
  4. Step 4: Simplify right side
    34,738.26x = 941,101,481.79
  5. Step 5: Solve for x
    x = 941,101,481.79/34,738.26
  6. Step 6: Final answer
    x = 27,091.21

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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.