Home / 30,379.26-41,912.20-19,049.23

Finding the Fourth Proportional to 30,379.26, 41,912.20 and 19,049.23

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Solution

The fourth proportional to 30,379.26, 41,912.20 and 19,049.23 is: 26,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.26 : 41,912.20 = 19,049.23 : x
  2. Step 2: Convert to fraction form
    30,379.26/41,912.20 = 19,049.23/x
  3. Step 3: Cross multiply
    30,379.26x = 41,912.20 × 19,049.23
  4. Step 4: Simplify right side
    30,379.26x = 798,395,137.61
  5. Step 5: Solve for x
    x = 798,395,137.61/30,379.26
  6. Step 6: Final answer
    x = 26,280.93

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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.