Home / 29,821.78-41,157.94-19,242.19

Finding the Fourth Proportional to 29,821.78, 41,157.94 and 19,242.19

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Solution

The fourth proportional to 29,821.78, 41,157.94 and 19,242.19 is: 26,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.78 : 41,157.94 = 19,242.19 : x
  2. Step 2: Convert to fraction form
    29,821.78/41,157.94 = 19,242.19/x
  3. Step 3: Cross multiply
    29,821.78x = 41,157.94 × 19,242.19
  4. Step 4: Simplify right side
    29,821.78x = 791,968,901.49
  5. Step 5: Solve for x
    x = 791,968,901.49/29,821.78
  6. Step 6: Final answer
    x = 26,556.73

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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.