Home / 39,107.21-53,939.27-25,673.56

Finding the Fourth Proportional to 39,107.21, 53,939.27 and 25,673.56

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Solution

The fourth proportional to 39,107.21, 53,939.27 and 25,673.56 is: 35,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.21 : 53,939.27 = 25,673.56 : x
  2. Step 2: Convert to fraction form
    39,107.21/53,939.27 = 25,673.56/x
  3. Step 3: Cross multiply
    39,107.21x = 53,939.27 × 25,673.56
  4. Step 4: Simplify right side
    39,107.21x = 1,384,812,869.62
  5. Step 5: Solve for x
    x = 1,384,812,869.62/39,107.21
  6. Step 6: Final answer
    x = 35,410.68

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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.