Home / 35,638.44-49,181.76-19,722.48

Finding the Fourth Proportional to 35,638.44, 49,181.76 and 19,722.48

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Solution

The fourth proportional to 35,638.44, 49,181.76 and 19,722.48 is: 27,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.44 : 49,181.76 = 19,722.48 : x
  2. Step 2: Convert to fraction form
    35,638.44/49,181.76 = 19,722.48/x
  3. Step 3: Cross multiply
    35,638.44x = 49,181.76 × 19,722.48
  4. Step 4: Simplify right side
    35,638.44x = 969,986,277.96
  5. Step 5: Solve for x
    x = 969,986,277.96/35,638.44
  6. Step 6: Final answer
    x = 27,217.42

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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.