Finding the Fourth Proportional to 29,683,043.80, 44,430,087.30 and 21,179,987.80
Calculator
Solution
The fourth proportional to 29,683,043.80, 44,430,087.30 and 21,179,987.80 is: 31,702,567.75
Step by Step Solution
- Step 1: Write the proportion equation
29,683,043.80 : 44,430,087.30 = 21,179,987.80 : x - Step 2: Convert to fraction form
29,683,043.80/44,430,087.30 = 21,179,987.80/x - Step 3: Cross multiply
29,683,043.80x = 44,430,087.30 × 21,179,987.80 - Step 4: Simplify right side
29,683,043.80x = 941,028,706,966,934.88 - Step 5: Solve for x
x = 941,028,706,966,934.88/29,683,043.80 - Step 6: Final answer
x = 31,702,567.75
Related Problems
Find fourth proportional to 14,841,521.90, 22,215,043.65 and 10,589,993.90
Half scale
Find fourth proportional to 59,366,087.60, 88,860,174.60 and 42,359,975.60
Double scale
Find fourth proportional to 29,683,044.80, 44,430,088.80 and 21,179,988.80
Similar ratio
Find fourth proportional to 44,524,565.70, 66,645,130.95 and 31,769,981.70
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.