Finding the Fourth Proportional to 40,747.08, 56,230.78 and 22,842.10
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Solution
The fourth proportional to 40,747.08, 56,230.78 and 22,842.10 is: 31,521.99
Step by Step Solution
- Step 1: Write the proportion equation
40,747.08 : 56,230.78 = 22,842.10 : x - Step 2: Convert to fraction form
40,747.08/56,230.78 = 22,842.10/x - Step 3: Cross multiply
40,747.08x = 56,230.78 × 22,842.10 - Step 4: Simplify right side
40,747.08x = 1,284,429,099.84 - Step 5: Solve for x
x = 1,284,429,099.84/40,747.08 - Step 6: Final answer
x = 31,521.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.