Home / 36,122.44-49,849.01-19,990.42

Finding the Fourth Proportional to 36,122.44, 49,849.01 and 19,990.42

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Solution

The fourth proportional to 36,122.44, 49,849.01 and 19,990.42 is: 27,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.44 : 49,849.01 = 19,990.42 : x
  2. Step 2: Convert to fraction form
    36,122.44/49,849.01 = 19,990.42/x
  3. Step 3: Cross multiply
    36,122.44x = 49,849.01 × 19,990.42
  4. Step 4: Simplify right side
    36,122.44x = 996,502,521.86
  5. Step 5: Solve for x
    x = 996,502,521.86/36,122.44
  6. Step 6: Final answer
    x = 27,586.80

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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.