Home / 30,205.36-41,682.16-16,777.20

Finding the Fourth Proportional to 30,205.36, 41,682.16 and 16,777.20

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Solution

The fourth proportional to 30,205.36, 41,682.16 and 16,777.20 is: 23,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.36 : 41,682.16 = 16,777.20 : x
  2. Step 2: Convert to fraction form
    30,205.36/41,682.16 = 16,777.20/x
  3. Step 3: Cross multiply
    30,205.36x = 41,682.16 × 16,777.20
  4. Step 4: Simplify right side
    30,205.36x = 699,309,934.75
  5. Step 5: Solve for x
    x = 699,309,934.75/30,205.36
  6. Step 6: Final answer
    x = 23,151.85

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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.