Home / 30,205.83-41,683.19-16,776.75

Finding the Fourth Proportional to 30,205.83, 41,683.19 and 16,776.75

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Solution

The fourth proportional to 30,205.83, 41,683.19 and 16,776.75 is: 23,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.83 : 41,683.19 = 16,776.75 : x
  2. Step 2: Convert to fraction form
    30,205.83/41,683.19 = 16,776.75/x
  3. Step 3: Cross multiply
    30,205.83x = 41,683.19 × 16,776.75
  4. Step 4: Simplify right side
    30,205.83x = 699,308,373.95
  5. Step 5: Solve for x
    x = 699,308,373.95/30,205.83
  6. Step 6: Final answer
    x = 23,151.44

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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.