Finding the Fourth Proportional to 37,666.41, 51,970.84 and 21,747.88
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Solution
The fourth proportional to 37,666.41, 51,970.84 and 21,747.88 is: 30,006.99
Step by Step Solution
- Step 1: Write the proportion equation
37,666.41 : 51,970.84 = 21,747.88 : x - Step 2: Convert to fraction form
37,666.41/51,970.84 = 21,747.88/x - Step 3: Cross multiply
37,666.41x = 51,970.84 × 21,747.88 - Step 4: Simplify right side
37,666.41x = 1,130,255,591.82 - Step 5: Solve for x
x = 1,130,255,591.82/37,666.41 - Step 6: Final answer
x = 30,006.99
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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.