Home / 30,191-41,664.66-17,615.48

Finding the Fourth Proportional to 30,191, 41,664.66 and 17,615.48

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Solution

The fourth proportional to 30,191, 41,664.66 and 17,615.48 is: 24,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191 : 41,664.66 = 17,615.48 : x
  2. Step 2: Convert to fraction form
    30,191/41,664.66 = 17,615.48/x
  3. Step 3: Cross multiply
    30,191x = 41,664.66 × 17,615.48
  4. Step 4: Simplify right side
    30,191x = 733,942,984.94
  5. Step 5: Solve for x
    x = 733,942,984.94/30,191
  6. Step 6: Final answer
    x = 24,309.99

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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.