Home / 69,531.31-95,968.88-40,860.19

Finding the Fourth Proportional to 69,531.31, 95,968.88 and 40,860.19

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Solution

The fourth proportional to 69,531.31, 95,968.88 and 40,860.19 is: 56,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,531.31 : 95,968.88 = 40,860.19 : x
  2. Step 2: Convert to fraction form
    69,531.31/95,968.88 = 40,860.19/x
  3. Step 3: Cross multiply
    69,531.31x = 95,968.88 × 40,860.19
  4. Step 4: Simplify right side
    69,531.31x = 3,921,305,986.74
  5. Step 5: Solve for x
    x = 3,921,305,986.74/69,531.31
  6. Step 6: Final answer
    x = 56,396.26

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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.