Home / 69,860.88-96,413.04-39,651.36

Finding the Fourth Proportional to 69,860.88, 96,413.04 and 39,651.36

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Solution

The fourth proportional to 69,860.88, 96,413.04 and 39,651.36 is: 54,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.88 : 96,413.04 = 39,651.36 : x
  2. Step 2: Convert to fraction form
    69,860.88/96,413.04 = 39,651.36/x
  3. Step 3: Cross multiply
    69,860.88x = 96,413.04 × 39,651.36
  4. Step 4: Simplify right side
    69,860.88x = 3,822,908,157.73
  5. Step 5: Solve for x
    x = 3,822,908,157.73/69,860.88
  6. Step 6: Final answer
    x = 54,721.73

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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.