Home / 34,739.28-47,940.37-18,823.73

Finding the Fourth Proportional to 34,739.28, 47,940.37 and 18,823.73

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Solution

The fourth proportional to 34,739.28, 47,940.37 and 18,823.73 is: 25,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.28 : 47,940.37 = 18,823.73 : x
  2. Step 2: Convert to fraction form
    34,739.28/47,940.37 = 18,823.73/x
  3. Step 3: Cross multiply
    34,739.28x = 47,940.37 × 18,823.73
  4. Step 4: Simplify right side
    34,739.28x = 902,416,294.22
  5. Step 5: Solve for x
    x = 902,416,294.22/34,739.28
  6. Step 6: Final answer
    x = 25,976.83

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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.