Home / 49,870.44-68,811.16-31,728.36

Finding the Fourth Proportional to 49,870.44, 68,811.16 and 31,728.36

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Solution

The fourth proportional to 49,870.44, 68,811.16 and 31,728.36 is: 43,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.44 : 68,811.16 = 31,728.36 : x
  2. Step 2: Convert to fraction form
    49,870.44/68,811.16 = 31,728.36/x
  3. Step 3: Cross multiply
    49,870.44x = 68,811.16 × 31,728.36
  4. Step 4: Simplify right side
    49,870.44x = 2,183,265,256.50
  5. Step 5: Solve for x
    x = 2,183,265,256.50/49,870.44
  6. Step 6: Final answer
    x = 43,778.74

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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.