Home / 61,413.42-92,136.22-19,291.80

Finding the Fourth Proportional to 61,413.42, 92,136.22 and 19,291.80

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Solution

The fourth proportional to 61,413.42, 92,136.22 and 19,291.80 is: 28,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,413.42 : 92,136.22 = 19,291.80 : x
  2. Step 2: Convert to fraction form
    61,413.42/92,136.22 = 19,291.80/x
  3. Step 3: Cross multiply
    61,413.42x = 92,136.22 × 19,291.80
  4. Step 4: Simplify right side
    61,413.42x = 1,777,473,529.00
  5. Step 5: Solve for x
    x = 1,777,473,529.00/61,413.42
  6. Step 6: Final answer
    x = 28,942.75

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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.