Home / 47,768.40-71,661.26-38,961.79

Finding the Fourth Proportional to 47,768.40, 71,661.26 and 38,961.79

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Solution

The fourth proportional to 47,768.40, 71,661.26 and 38,961.79 is: 58,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.40 : 71,661.26 = 38,961.79 : x
  2. Step 2: Convert to fraction form
    47,768.40/71,661.26 = 38,961.79/x
  3. Step 3: Cross multiply
    47,768.40x = 71,661.26 × 38,961.79
  4. Step 4: Simplify right side
    47,768.40x = 2,792,051,065.44
  5. Step 5: Solve for x
    x = 2,792,051,065.44/47,768.40
  6. Step 6: Final answer
    x = 58,449.75

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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.