Home / 47,201.53-70,790.95-13,912.60

Finding the Fourth Proportional to 47,201.53, 70,790.95 and 13,912.60

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Solution

The fourth proportional to 47,201.53, 70,790.95 and 13,912.60 is: 20,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.53 : 70,790.95 = 13,912.60 : x
  2. Step 2: Convert to fraction form
    47,201.53/70,790.95 = 13,912.60/x
  3. Step 3: Cross multiply
    47,201.53x = 70,790.95 × 13,912.60
  4. Step 4: Simplify right side
    47,201.53x = 984,886,170.97
  5. Step 5: Solve for x
    x = 984,886,170.97/47,201.53
  6. Step 6: Final answer
    x = 20,865.56

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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.