Home / 49,994.30-74,907.21-30,212.48

Finding the Fourth Proportional to 49,994.30, 74,907.21 and 30,212.48

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Solution

The fourth proportional to 49,994.30, 74,907.21 and 30,212.48 is: 45,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,994.30 : 74,907.21 = 30,212.48 : x
  2. Step 2: Convert to fraction form
    49,994.30/74,907.21 = 30,212.48/x
  3. Step 3: Cross multiply
    49,994.30x = 74,907.21 × 30,212.48
  4. Step 4: Simplify right side
    49,994.30x = 2,263,132,583.98
  5. Step 5: Solve for x
    x = 2,263,132,583.98/49,994.30
  6. Step 6: Final answer
    x = 45,267.81

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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.