Finding the Fourth Proportional to 29,821.16, 41,141.40 and 19,217
Calculator
Solution
The fourth proportional to 29,821.16, 41,141.40 and 19,217 is: 26,511.86
Step by Step Solution
- Step 1: Write the proportion equation
29,821.16 : 41,141.40 = 19,217 : x - Step 2: Convert to fraction form
29,821.16/41,141.40 = 19,217/x - Step 3: Cross multiply
29,821.16x = 41,141.40 × 19,217 - Step 4: Simplify right side
29,821.16x = 790,614,283.80 - Step 5: Solve for x
x = 790,614,283.80/29,821.16 - Step 6: Final answer
x = 26,511.86
Related Problems
Find fourth proportional to 14,910.58, 20,570.70 and 9,608.50
Half scale
Find fourth proportional to 59,642.32, 82,282.80 and 38,434
Double scale
Find fourth proportional to 29,822.16, 41,142.78 and 19,218
Similar ratio
Find fourth proportional to 44,731.74, 61,712.10 and 28,825.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.