Home / 39,112.72-53,982.66-25,660.24

Finding the Fourth Proportional to 39,112.72, 53,982.66 and 25,660.24

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Solution

The fourth proportional to 39,112.72, 53,982.66 and 25,660.24 is: 35,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.72 : 53,982.66 = 25,660.24 : x
  2. Step 2: Convert to fraction form
    39,112.72/53,982.66 = 25,660.24/x
  3. Step 3: Cross multiply
    39,112.72x = 53,982.66 × 25,660.24
  4. Step 4: Simplify right side
    39,112.72x = 1,385,208,011.44
  5. Step 5: Solve for x
    x = 1,385,208,011.44/39,112.72
  6. Step 6: Final answer
    x = 35,415.79

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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.