Home / 69,941.03-104,912.55-20,021.16

Finding the Fourth Proportional to 69,941.03, 104,912.55 and 20,021.16

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Solution

The fourth proportional to 69,941.03, 104,912.55 and 20,021.16 is: 30,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941.03 : 104,912.55 = 20,021.16 : x
  2. Step 2: Convert to fraction form
    69,941.03/104,912.55 = 20,021.16/x
  3. Step 3: Cross multiply
    69,941.03x = 104,912.55 × 20,021.16
  4. Step 4: Simplify right side
    69,941.03x = 2,100,470,949.56
  5. Step 5: Solve for x
    x = 2,100,470,949.56/69,941.03
  6. Step 6: Final answer
    x = 30,032.03

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1.5x scale

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.