Home / 47,389.94-71,049.78-22,400.79

Finding the Fourth Proportional to 47,389.94, 71,049.78 and 22,400.79

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Solution

The fourth proportional to 47,389.94, 71,049.78 and 22,400.79 is: 33,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.94 : 71,049.78 = 22,400.79 : x
  2. Step 2: Convert to fraction form
    47,389.94/71,049.78 = 22,400.79/x
  3. Step 3: Cross multiply
    47,389.94x = 71,049.78 × 22,400.79
  4. Step 4: Simplify right side
    47,389.94x = 1,591,571,201.33
  5. Step 5: Solve for x
    x = 1,591,571,201.33/47,389.94
  6. Step 6: Final answer
    x = 33,584.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.