Home / 30,206.82-41,683.65-16,777.30

Finding the Fourth Proportional to 30,206.82, 41,683.65 and 16,777.30

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Solution

The fourth proportional to 30,206.82, 41,683.65 and 16,777.30 is: 23,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.82 : 41,683.65 = 16,777.30 : x
  2. Step 2: Convert to fraction form
    30,206.82/41,683.65 = 16,777.30/x
  3. Step 3: Cross multiply
    30,206.82x = 41,683.65 × 16,777.30
  4. Step 4: Simplify right side
    30,206.82x = 699,339,101.15
  5. Step 5: Solve for x
    x = 699,339,101.15/30,206.82
  6. Step 6: Final answer
    x = 23,151.70

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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.