Home / 30,348.54-41,880.24-16,919.75

Finding the Fourth Proportional to 30,348.54, 41,880.24 and 16,919.75

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Solution

The fourth proportional to 30,348.54, 41,880.24 and 16,919.75 is: 23,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.54 : 41,880.24 = 16,919.75 : x
  2. Step 2: Convert to fraction form
    30,348.54/41,880.24 = 16,919.75/x
  3. Step 3: Cross multiply
    30,348.54x = 41,880.24 × 16,919.75
  4. Step 4: Simplify right side
    30,348.54x = 708,603,295.44
  5. Step 5: Solve for x
    x = 708,603,295.44/30,348.54
  6. Step 6: Final answer
    x = 23,348.84

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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.