Home / 30,206.21-41,683.70-16,777.13

Finding the Fourth Proportional to 30,206.21, 41,683.70 and 16,777.13

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Solution

The fourth proportional to 30,206.21, 41,683.70 and 16,777.13 is: 23,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.21 : 41,683.70 = 16,777.13 : x
  2. Step 2: Convert to fraction form
    30,206.21/41,683.70 = 16,777.13/x
  3. Step 3: Cross multiply
    30,206.21x = 41,683.70 × 16,777.13
  4. Step 4: Simplify right side
    30,206.21x = 699,332,687.31
  5. Step 5: Solve for x
    x = 699,332,687.31/30,206.21
  6. Step 6: Final answer
    x = 23,151.95

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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.