Finding the Fourth Proportional to 42.86, 58.99 and 32.48
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Solution
The fourth proportional to 42.86, 58.99 and 32.48 is: 44.70
Step by Step Solution
- Step 1: Write the proportion equation
42.86 : 58.99 = 32.48 : x - Step 2: Convert to fraction form
42.86/58.99 = 32.48/x - Step 3: Cross multiply
42.86x = 58.99 × 32.48 - Step 4: Simplify right side
42.86x = 1,916.00 - Step 5: Solve for x
x = 1,916.00/42.86 - Step 6: Final answer
x = 44.70
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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.