Finding the Fourth Proportional to 73,759.51, 110,636.39 and 21,168.99
Calculator
Solution
The fourth proportional to 73,759.51, 110,636.39 and 21,168.99 is: 31,752.66
Step by Step Solution
- Step 1: Write the proportion equation
73,759.51 : 110,636.39 = 21,168.99 : x - Step 2: Convert to fraction form
73,759.51/110,636.39 = 21,168.99/x - Step 3: Cross multiply
73,759.51x = 110,636.39 × 21,168.99 - Step 4: Simplify right side
73,759.51x = 2,342,060,686.47 - Step 5: Solve for x
x = 2,342,060,686.47/73,759.51 - Step 6: Final answer
x = 31,752.66
Related Problems
Find fourth proportional to 36,879.76, 55,318.20 and 10,584.50
Half scale
Find fourth proportional to 147,519.02, 221,272.79 and 42,337.98
Double scale
Find fourth proportional to 73,760.51, 110,637.89 and 21,169.99
Similar ratio
Find fourth proportional to 110,639.27, 165,954.59 and 31,753.49
1.5x scale
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.