Finding the Fourth Proportional to 69,557.21, 104,340.05 and 19,641.07
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Solution
The fourth proportional to 69,557.21, 104,340.05 and 19,641.07 is: 29,462.80
Step by Step Solution
- Step 1: Write the proportion equation
69,557.21 : 104,340.05 = 19,641.07 : x - Step 2: Convert to fraction form
69,557.21/104,340.05 = 19,641.07/x - Step 3: Cross multiply
69,557.21x = 104,340.05 × 19,641.07 - Step 4: Simplify right side
69,557.21x = 2,049,350,568.03 - Step 5: Solve for x
x = 2,049,350,568.03/69,557.21 - Step 6: Final answer
x = 29,462.80
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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.