Home / 69,968.34-104,949.81-20,048.31

Finding the Fourth Proportional to 69,968.34, 104,949.81 and 20,048.31

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Solution

The fourth proportional to 69,968.34, 104,949.81 and 20,048.31 is: 30,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.34 : 104,949.81 = 20,048.31 : x
  2. Step 2: Convert to fraction form
    69,968.34/104,949.81 = 20,048.31/x
  3. Step 3: Cross multiply
    69,968.34x = 104,949.81 × 20,048.31
  4. Step 4: Simplify right side
    69,968.34x = 2,104,066,325.32
  5. Step 5: Solve for x
    x = 2,104,066,325.32/69,968.34
  6. Step 6: Final answer
    x = 30,071.69

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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.