Home / 49,945.44-74,921.04-18,780.96

Finding the Fourth Proportional to 49,945.44, 74,921.04 and 18,780.96

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Solution

The fourth proportional to 49,945.44, 74,921.04 and 18,780.96 is: 28,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.44 : 74,921.04 = 18,780.96 : x
  2. Step 2: Convert to fraction form
    49,945.44/74,921.04 = 18,780.96/x
  3. Step 3: Cross multiply
    49,945.44x = 74,921.04 × 18,780.96
  4. Step 4: Simplify right side
    49,945.44x = 1,407,089,055.40
  5. Step 5: Solve for x
    x = 1,407,089,055.40/49,945.44
  6. Step 6: Final answer
    x = 28,172.52

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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.