Home / 38,413.82-57,570.78-19,677.98

Finding the Fourth Proportional to 38,413.82, 57,570.78 and 19,677.98

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Solution

The fourth proportional to 38,413.82, 57,570.78 and 19,677.98 is: 29,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,413.82 : 57,570.78 = 19,677.98 : x
  2. Step 2: Convert to fraction form
    38,413.82/57,570.78 = 19,677.98/x
  3. Step 3: Cross multiply
    38,413.82x = 57,570.78 × 19,677.98
  4. Step 4: Simplify right side
    38,413.82x = 1,132,876,657.42
  5. Step 5: Solve for x
    x = 1,132,876,657.42/38,413.82
  6. Step 6: Final answer
    x = 29,491.38

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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.