Home / 30,206.33-41,683.57-16,778.44

Finding the Fourth Proportional to 30,206.33, 41,683.57 and 16,778.44

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Solution

The fourth proportional to 30,206.33, 41,683.57 and 16,778.44 is: 23,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.33 : 41,683.57 = 16,778.44 : x
  2. Step 2: Convert to fraction form
    30,206.33/41,683.57 = 16,778.44/x
  3. Step 3: Cross multiply
    30,206.33x = 41,683.57 × 16,778.44
  4. Step 4: Simplify right side
    30,206.33x = 699,385,069.81
  5. Step 5: Solve for x
    x = 699,385,069.81/30,206.33
  6. Step 6: Final answer
    x = 23,153.60

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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.