Home / 30,273.15-41,778.14-18,329.73

Finding the Fourth Proportional to 30,273.15, 41,778.14 and 18,329.73

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Solution

The fourth proportional to 30,273.15, 41,778.14 and 18,329.73 is: 25,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.15 : 41,778.14 = 18,329.73 : x
  2. Step 2: Convert to fraction form
    30,273.15/41,778.14 = 18,329.73/x
  3. Step 3: Cross multiply
    30,273.15x = 41,778.14 × 18,329.73
  4. Step 4: Simplify right side
    30,273.15x = 765,781,934.45
  5. Step 5: Solve for x
    x = 765,781,934.45/30,273.15
  6. Step 6: Final answer
    x = 25,295.75

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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.