Home / 49,811.56-74,717.34-28,783.72

Finding the Fourth Proportional to 49,811.56, 74,717.34 and 28,783.72

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Solution

The fourth proportional to 49,811.56, 74,717.34 and 28,783.72 is: 43,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,811.56 : 74,717.34 = 28,783.72 : x
  2. Step 2: Convert to fraction form
    49,811.56/74,717.34 = 28,783.72/x
  3. Step 3: Cross multiply
    49,811.56x = 74,717.34 × 28,783.72
  4. Step 4: Simplify right side
    49,811.56x = 2,150,642,993.70
  5. Step 5: Solve for x
    x = 2,150,642,993.70/49,811.56
  6. Step 6: Final answer
    x = 43,175.58

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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.