Home / 35,634.12-49,174.35-19,718.56

Finding the Fourth Proportional to 35,634.12, 49,174.35 and 19,718.56

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Solution

The fourth proportional to 35,634.12, 49,174.35 and 19,718.56 is: 27,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,634.12 : 49,174.35 = 19,718.56 : x
  2. Step 2: Convert to fraction form
    35,634.12/49,174.35 = 19,718.56/x
  3. Step 3: Cross multiply
    35,634.12x = 49,174.35 × 19,718.56
  4. Step 4: Simplify right side
    35,634.12x = 969,647,370.94
  5. Step 5: Solve for x
    x = 969,647,370.94/35,634.12
  6. Step 6: Final answer
    x = 27,211.21

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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.