Home / 69,884.44-96,435.56-39,670.36

Finding the Fourth Proportional to 69,884.44, 96,435.56 and 39,670.36

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Solution

The fourth proportional to 69,884.44, 96,435.56 and 39,670.36 is: 54,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,884.44 : 96,435.56 = 39,670.36 : x
  2. Step 2: Convert to fraction form
    69,884.44/96,435.56 = 39,670.36/x
  3. Step 3: Cross multiply
    69,884.44x = 96,435.56 × 39,670.36
  4. Step 4: Simplify right side
    69,884.44x = 3,825,633,240.09
  5. Step 5: Solve for x
    x = 3,825,633,240.09/69,884.44
  6. Step 6: Final answer
    x = 54,742.28

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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.