Home / 35,517.53-49,012.76-19,601.78

Finding the Fourth Proportional to 35,517.53, 49,012.76 and 19,601.78

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Solution

The fourth proportional to 35,517.53, 49,012.76 and 19,601.78 is: 27,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.53 : 49,012.76 = 19,601.78 : x
  2. Step 2: Convert to fraction form
    35,517.53/49,012.76 = 19,601.78/x
  3. Step 3: Cross multiply
    35,517.53x = 49,012.76 × 19,601.78
  4. Step 4: Simplify right side
    35,517.53x = 960,737,142.65
  5. Step 5: Solve for x
    x = 960,737,142.65/35,517.53
  6. Step 6: Final answer
    x = 27,049.66

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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.