Finding the Fourth Proportional to 38,796.32, 58,211.76 and 20,324
Calculator
Solution
The fourth proportional to 38,796.32, 58,211.76 and 20,324 is: 30,495.05
Step by Step Solution
- Step 1: Write the proportion equation
38,796.32 : 58,211.76 = 20,324 : x - Step 2: Convert to fraction form
38,796.32/58,211.76 = 20,324/x - Step 3: Cross multiply
38,796.32x = 58,211.76 × 20,324 - Step 4: Simplify right side
38,796.32x = 1,183,095,810.24 - Step 5: Solve for x
x = 1,183,095,810.24/38,796.32 - Step 6: Final answer
x = 30,495.05
Related Problems
Find fourth proportional to 19,398.16, 29,105.88 and 10,162
Half scale
Find fourth proportional to 77,592.64, 116,423.52 and 40,648
Double scale
Find fourth proportional to 38,797.32, 58,213.26 and 20,325
Similar ratio
Find fourth proportional to 58,194.48, 87,317.64 and 30,486
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.