Home / 49,628.98-68,481.48-30,518.65

Finding the Fourth Proportional to 49,628.98, 68,481.48 and 30,518.65

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Solution

The fourth proportional to 49,628.98, 68,481.48 and 30,518.65 is: 42,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.98 : 68,481.48 = 30,518.65 : x
  2. Step 2: Convert to fraction form
    49,628.98/68,481.48 = 30,518.65/x
  3. Step 3: Cross multiply
    49,628.98x = 68,481.48 × 30,518.65
  4. Step 4: Simplify right side
    49,628.98x = 2,089,962,319.60
  5. Step 5: Solve for x
    x = 2,089,962,319.60/49,628.98
  6. Step 6: Final answer
    x = 42,111.73

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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.