Finding the Fourth Proportional to 55,795.52, 83,693.28 and 20,744
Calculator
Solution
The fourth proportional to 55,795.52, 83,693.28 and 20,744 is: 31,116
Step by Step Solution
- Step 1: Write the proportion equation
55,795.52 : 83,693.28 = 20,744 : x - Step 2: Convert to fraction form
55,795.52/83,693.28 = 20,744/x - Step 3: Cross multiply
55,795.52x = 83,693.28 × 20,744 - Step 4: Simplify right side
55,795.52x = 1,736,133,400.32 - Step 5: Solve for x
x = 1,736,133,400.32/55,795.52 - Step 6: Final answer
x = 31,116
Related Problems
Find fourth proportional to 27,897.76, 41,846.64 and 10,372
Half scale
Find fourth proportional to 111,591.04, 167,386.56 and 41,488
Double scale
Find fourth proportional to 55,796.52, 83,694.78 and 20,745
Similar ratio
Find fourth proportional to 83,693.28, 125,539.92 and 31,116
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.