Home / 39,533.94-54,556.07-21,628.35

Finding the Fourth Proportional to 39,533.94, 54,556.07 and 21,628.35

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Solution

The fourth proportional to 39,533.94, 54,556.07 and 21,628.35 is: 29,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533.94 : 54,556.07 = 21,628.35 : x
  2. Step 2: Convert to fraction form
    39,533.94/54,556.07 = 21,628.35/x
  3. Step 3: Cross multiply
    39,533.94x = 54,556.07 × 21,628.35
  4. Step 4: Simplify right side
    39,533.94x = 1,179,957,668.44
  5. Step 5: Solve for x
    x = 1,179,957,668.44/39,533.94
  6. Step 6: Final answer
    x = 29,846.70

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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.