Home / 39,778.92-54,896.14-22,783.24

Finding the Fourth Proportional to 39,778.92, 54,896.14 and 22,783.24

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Solution

The fourth proportional to 39,778.92, 54,896.14 and 22,783.24 is: 31,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.92 : 54,896.14 = 22,783.24 : x
  2. Step 2: Convert to fraction form
    39,778.92/54,896.14 = 22,783.24/x
  3. Step 3: Cross multiply
    39,778.92x = 54,896.14 × 22,783.24
  4. Step 4: Simplify right side
    39,778.92x = 1,250,711,932.69
  5. Step 5: Solve for x
    x = 1,250,711,932.69/39,778.92
  6. Step 6: Final answer
    x = 31,441.58

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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.