Home / 34,739.08-47,940.15-18,823.65

Finding the Fourth Proportional to 34,739.08, 47,940.15 and 18,823.65

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Solution

The fourth proportional to 34,739.08, 47,940.15 and 18,823.65 is: 25,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.08 : 47,940.15 = 18,823.65 : x
  2. Step 2: Convert to fraction form
    34,739.08/47,940.15 = 18,823.65/x
  3. Step 3: Cross multiply
    34,739.08x = 47,940.15 × 18,823.65
  4. Step 4: Simplify right side
    34,739.08x = 902,408,604.55
  5. Step 5: Solve for x
    x = 902,408,604.55/34,739.08
  6. Step 6: Final answer
    x = 25,976.76

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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.