Finding the Fourth Proportional to 39,642.81, 59,457.73 and 14,676.99
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Solution
The fourth proportional to 39,642.81, 59,457.73 and 14,676.99 is: 22,013.08
Step by Step Solution
- Step 1: Write the proportion equation
39,642.81 : 59,457.73 = 14,676.99 : x - Step 2: Convert to fraction form
39,642.81/59,457.73 = 14,676.99/x - Step 3: Cross multiply
39,642.81x = 59,457.73 × 14,676.99 - Step 4: Simplify right side
39,642.81x = 872,660,508.63 - Step 5: Solve for x
x = 872,660,508.63/39,642.81 - Step 6: Final answer
x = 22,013.08
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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.