Finding the Fourth Proportional to 52,784.64, 79,179.68 and 13,342.09
Calculator
Solution
The fourth proportional to 52,784.64, 79,179.68 and 13,342.09 is: 20,013.82
Step by Step Solution
- Step 1: Write the proportion equation
52,784.64 : 79,179.68 = 13,342.09 : x - Step 2: Convert to fraction form
52,784.64/79,179.68 = 13,342.09/x - Step 3: Cross multiply
52,784.64x = 79,179.68 × 13,342.09 - Step 4: Simplify right side
52,784.64x = 1,056,422,416.73 - Step 5: Solve for x
x = 1,056,422,416.73/52,784.64 - Step 6: Final answer
x = 20,013.82
Related Problems
Find fourth proportional to 26,392.32, 39,589.84 and 6,671.05
Half scale
Find fourth proportional to 105,569.28, 158,359.36 and 26,684.18
Double scale
Find fourth proportional to 52,785.64, 79,181.18 and 13,343.09
Similar ratio
Find fourth proportional to 79,176.96, 118,769.52 and 20,013.14
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.