Home / 49,786.14-74,693.04-21,708.64

Finding the Fourth Proportional to 49,786.14, 74,693.04 and 21,708.64

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Solution

The fourth proportional to 49,786.14, 74,693.04 and 21,708.64 is: 32,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786.14 : 74,693.04 = 21,708.64 : x
  2. Step 2: Convert to fraction form
    49,786.14/74,693.04 = 21,708.64/x
  3. Step 3: Cross multiply
    49,786.14x = 74,693.04 × 21,708.64
  4. Step 4: Simplify right side
    49,786.14x = 1,621,484,315.87
  5. Step 5: Solve for x
    x = 1,621,484,315.87/49,786.14
  6. Step 6: Final answer
    x = 32,568.99

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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.