Home / 39,752.14-54,857.97-21,846.99

Finding the Fourth Proportional to 39,752.14, 54,857.97 and 21,846.99

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Solution

The fourth proportional to 39,752.14, 54,857.97 and 21,846.99 is: 30,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.14 : 54,857.97 = 21,846.99 : x
  2. Step 2: Convert to fraction form
    39,752.14/54,857.97 = 21,846.99/x
  3. Step 3: Cross multiply
    39,752.14x = 54,857.97 × 21,846.99
  4. Step 4: Simplify right side
    39,752.14x = 1,198,481,522.01
  5. Step 5: Solve for x
    x = 1,198,481,522.01/39,752.14
  6. Step 6: Final answer
    x = 30,148.86

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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.