Finding the Fourth Proportional to 68,951.58, 103,427.37 and 19,030.02
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Solution
The fourth proportional to 68,951.58, 103,427.37 and 19,030.02 is: 28,545.03
Step by Step Solution
- Step 1: Write the proportion equation
68,951.58 : 103,427.37 = 19,030.02 : x - Step 2: Convert to fraction form
68,951.58/103,427.37 = 19,030.02/x - Step 3: Cross multiply
68,951.58x = 103,427.37 × 19,030.02 - Step 4: Simplify right side
68,951.58x = 1,968,224,919.65 - Step 5: Solve for x
x = 1,968,224,919.65/68,951.58 - Step 6: Final answer
x = 28,545.03
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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.