Home / 38,993.00-53,806.41-21,995.69

Finding the Fourth Proportional to 38,993.00, 53,806.41 and 21,995.69

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Solution

The fourth proportional to 38,993.00, 53,806.41 and 21,995.69 is: 30,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.00 : 53,806.41 = 21,995.69 : x
  2. Step 2: Convert to fraction form
    38,993.00/53,806.41 = 21,995.69/x
  3. Step 3: Cross multiply
    38,993.00x = 53,806.41 × 21,995.69
  4. Step 4: Simplify right side
    38,993.00x = 1,183,508,845.34
  5. Step 5: Solve for x
    x = 1,183,508,845.34/38,993.00
  6. Step 6: Final answer
    x = 30,351.83

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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.