Home / 69,971.04-104,883.66-30,517.56

Finding the Fourth Proportional to 69,971.04, 104,883.66 and 30,517.56

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Solution

The fourth proportional to 69,971.04, 104,883.66 and 30,517.56 is: 45,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.04 : 104,883.66 = 30,517.56 : x
  2. Step 2: Convert to fraction form
    69,971.04/104,883.66 = 30,517.56/x
  3. Step 3: Cross multiply
    69,971.04x = 104,883.66 × 30,517.56
  4. Step 4: Simplify right side
    69,971.04x = 3,200,793,387.07
  5. Step 5: Solve for x
    x = 3,200,793,387.07/69,971.04
  6. Step 6: Final answer
    x = 45,744.54

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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.