Home / 39,748.08-54,786.46-38,696.33

Finding the Fourth Proportional to 39,748.08, 54,786.46 and 38,696.33

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Solution

The fourth proportional to 39,748.08, 54,786.46 and 38,696.33 is: 53,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.08 : 54,786.46 = 38,696.33 : x
  2. Step 2: Convert to fraction form
    39,748.08/54,786.46 = 38,696.33/x
  3. Step 3: Cross multiply
    39,748.08x = 54,786.46 × 38,696.33
  4. Step 4: Simplify right side
    39,748.08x = 2,120,034,935.69
  5. Step 5: Solve for x
    x = 2,120,034,935.69/39,748.08
  6. Step 6: Final answer
    x = 53,336.79

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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.