Home / 63,413.40-95,121-30,136.84

Finding the Fourth Proportional to 63,413.40, 95,121 and 30,136.84

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Solution

The fourth proportional to 63,413.40, 95,121 and 30,136.84 is: 45,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.40 : 95,121 = 30,136.84 : x
  2. Step 2: Convert to fraction form
    63,413.40/95,121 = 30,136.84/x
  3. Step 3: Cross multiply
    63,413.40x = 95,121 × 30,136.84
  4. Step 4: Simplify right side
    63,413.40x = 2,866,646,357.64
  5. Step 5: Solve for x
    x = 2,866,646,357.64/63,413.40
  6. Step 6: Final answer
    x = 45,205.69

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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.