Finding the Fourth Proportional to 67,841.80, 101,762.70 and 18,593.80
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Solution
The fourth proportional to 67,841.80, 101,762.70 and 18,593.80 is: 27,890.70
Step by Step Solution
- Step 1: Write the proportion equation
67,841.80 : 101,762.70 = 18,593.80 : x - Step 2: Convert to fraction form
67,841.80/101,762.70 = 18,593.80/x - Step 3: Cross multiply
67,841.80x = 101,762.70 × 18,593.80 - Step 4: Simplify right side
67,841.80x = 1,892,155,291.26 - Step 5: Solve for x
x = 1,892,155,291.26/67,841.80 - Step 6: Final answer
x = 27,890.70
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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.