Home / 49,832.21-74,748.42-20,243.18

Finding the Fourth Proportional to 49,832.21, 74,748.42 and 20,243.18

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Solution

The fourth proportional to 49,832.21, 74,748.42 and 20,243.18 is: 30,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.21 : 74,748.42 = 20,243.18 : x
  2. Step 2: Convert to fraction form
    49,832.21/74,748.42 = 20,243.18/x
  3. Step 3: Cross multiply
    49,832.21x = 74,748.42 × 20,243.18
  4. Step 4: Simplify right side
    49,832.21x = 1,513,145,907.65
  5. Step 5: Solve for x
    x = 1,513,145,907.65/49,832.21
  6. Step 6: Final answer
    x = 30,364.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.