Home / 30,010.79-41,412.06-19,236.65

Finding the Fourth Proportional to 30,010.79, 41,412.06 and 19,236.65

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Solution

The fourth proportional to 30,010.79, 41,412.06 and 19,236.65 is: 26,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.79 : 41,412.06 = 19,236.65 : x
  2. Step 2: Convert to fraction form
    30,010.79/41,412.06 = 19,236.65/x
  3. Step 3: Cross multiply
    30,010.79x = 41,412.06 × 19,236.65
  4. Step 4: Simplify right side
    30,010.79x = 796,629,096.94
  5. Step 5: Solve for x
    x = 796,629,096.94/30,010.79
  6. Step 6: Final answer
    x = 26,544.75

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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.