Finding the Fourth Proportional to 69,497.58, 104,252.49 and 19,578.09
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Solution
The fourth proportional to 69,497.58, 104,252.49 and 19,578.09 is: 29,368.86
Step by Step Solution
- Step 1: Write the proportion equation
69,497.58 : 104,252.49 = 19,578.09 : x - Step 2: Convert to fraction form
69,497.58/104,252.49 = 19,578.09/x - Step 3: Cross multiply
69,497.58x = 104,252.49 × 19,578.09 - Step 4: Simplify right side
69,497.58x = 2,041,064,631.94 - Step 5: Solve for x
x = 2,041,064,631.94/69,497.58 - Step 6: Final answer
x = 29,368.86
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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.