Home / 30,163.04-41,578.95-23,778.21

Finding the Fourth Proportional to 30,163.04, 41,578.95 and 23,778.21

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Solution

The fourth proportional to 30,163.04, 41,578.95 and 23,778.21 is: 32,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.04 : 41,578.95 = 23,778.21 : x
  2. Step 2: Convert to fraction form
    30,163.04/41,578.95 = 23,778.21/x
  3. Step 3: Cross multiply
    30,163.04x = 41,578.95 × 23,778.21
  4. Step 4: Simplify right side
    30,163.04x = 988,673,004.68
  5. Step 5: Solve for x
    x = 988,673,004.68/30,163.04
  6. Step 6: Final answer
    x = 32,777.64

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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.