Finding the Fourth Proportional to 40,885.53, 56,422.56 and 22,979.49
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Solution
The fourth proportional to 40,885.53, 56,422.56 and 22,979.49 is: 31,711.99
Step by Step Solution
- Step 1: Write the proportion equation
40,885.53 : 56,422.56 = 22,979.49 : x - Step 2: Convert to fraction form
40,885.53/56,422.56 = 22,979.49/x - Step 3: Cross multiply
40,885.53x = 56,422.56 × 22,979.49 - Step 4: Simplify right side
40,885.53x = 1,296,561,653.29 - Step 5: Solve for x
x = 1,296,561,653.29/40,885.53 - Step 6: Final answer
x = 31,711.99
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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.