Home / 30,378.26-41,910.82-19,048.23

Finding the Fourth Proportional to 30,378.26, 41,910.82 and 19,048.23

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Solution

The fourth proportional to 30,378.26, 41,910.82 and 19,048.23 is: 26,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.26 : 41,910.82 = 19,048.23 : x
  2. Step 2: Convert to fraction form
    30,378.26/41,910.82 = 19,048.23/x
  3. Step 3: Cross multiply
    30,378.26x = 41,910.82 × 19,048.23
  4. Step 4: Simplify right side
    30,378.26x = 798,326,891.23
  5. Step 5: Solve for x
    x = 798,326,891.23/30,378.26
  6. Step 6: Final answer
    x = 26,279.54

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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.