Home / 71,057.26-98,059.80-39,226.18

Finding the Fourth Proportional to 71,057.26, 98,059.80 and 39,226.18

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Solution

The fourth proportional to 71,057.26, 98,059.80 and 39,226.18 is: 54,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.26 : 98,059.80 = 39,226.18 : x
  2. Step 2: Convert to fraction form
    71,057.26/98,059.80 = 39,226.18/x
  3. Step 3: Cross multiply
    71,057.26x = 98,059.80 × 39,226.18
  4. Step 4: Simplify right side
    71,057.26x = 3,846,511,365.56
  5. Step 5: Solve for x
    x = 3,846,511,365.56/71,057.26
  6. Step 6: Final answer
    x = 54,132.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.