Finding the Fourth Proportional to 35,347.05, 48,778.92 and 19,432.53
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Solution
The fourth proportional to 35,347.05, 48,778.92 and 19,432.53 is: 26,816.89
Step by Step Solution
- Step 1: Write the proportion equation
35,347.05 : 48,778.92 = 19,432.53 : x - Step 2: Convert to fraction form
35,347.05/48,778.92 = 19,432.53/x - Step 3: Cross multiply
35,347.05x = 48,778.92 × 19,432.53 - Step 4: Simplify right side
35,347.05x = 947,897,826.27 - Step 5: Solve for x
x = 947,897,826.27/35,347.05 - Step 6: Final answer
x = 26,816.89
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1.5x scale
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.