Home / 34,739.85-47,939.71-18,823.96

Finding the Fourth Proportional to 34,739.85, 47,939.71 and 18,823.96

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Solution

The fourth proportional to 34,739.85, 47,939.71 and 18,823.96 is: 25,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.85 : 47,939.71 = 18,823.96 : x
  2. Step 2: Convert to fraction form
    34,739.85/47,939.71 = 18,823.96/x
  3. Step 3: Cross multiply
    34,739.85x = 47,939.71 × 18,823.96
  4. Step 4: Simplify right side
    34,739.85x = 902,415,183.45
  5. Step 5: Solve for x
    x = 902,415,183.45/34,739.85
  6. Step 6: Final answer
    x = 25,976.37

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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.