Home / 39,115.72-53,982.66-22,351.24

Finding the Fourth Proportional to 39,115.72, 53,982.66 and 22,351.24

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Solution

The fourth proportional to 39,115.72, 53,982.66 and 22,351.24 is: 30,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.72 : 53,982.66 = 22,351.24 : x
  2. Step 2: Convert to fraction form
    39,115.72/53,982.66 = 22,351.24/x
  3. Step 3: Cross multiply
    39,115.72x = 53,982.66 × 22,351.24
  4. Step 4: Simplify right side
    39,115.72x = 1,206,579,389.50
  5. Step 5: Solve for x
    x = 1,206,579,389.50/39,115.72
  6. Step 6: Final answer
    x = 30,846.41

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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.