Finding the Fourth Proportional to 30,929.02, 42,663.06 and 27,332.44
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Solution
The fourth proportional to 30,929.02, 42,663.06 and 27,332.44 is: 37,701.99
Step by Step Solution
- Step 1: Write the proportion equation
30,929.02 : 42,663.06 = 27,332.44 : x - Step 2: Convert to fraction form
30,929.02/42,663.06 = 27,332.44/x - Step 3: Cross multiply
30,929.02x = 42,663.06 × 27,332.44 - Step 4: Simplify right side
30,929.02x = 1,166,085,527.67 - Step 5: Solve for x
x = 1,166,085,527.67/30,929.02 - Step 6: Final answer
x = 37,701.99
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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.