Home / 69,974.04-104,888.16-30,520.56

Finding the Fourth Proportional to 69,974.04, 104,888.16 and 30,520.56

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Solution

The fourth proportional to 69,974.04, 104,888.16 and 30,520.56 is: 45,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,974.04 : 104,888.16 = 30,520.56 : x
  2. Step 2: Convert to fraction form
    69,974.04/104,888.16 = 30,520.56/x
  3. Step 3: Cross multiply
    69,974.04x = 104,888.16 × 30,520.56
  4. Step 4: Simplify right side
    69,974.04x = 3,201,245,380.57
  5. Step 5: Solve for x
    x = 3,201,245,380.57/69,974.04
  6. Step 6: Final answer
    x = 45,749.04

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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.