Finding the Fourth Proportional to 86,341.68, 129,514.95 and 24,012.18
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Solution
The fourth proportional to 86,341.68, 129,514.95 and 24,012.18 is: 36,018.95
Step by Step Solution
- Step 1: Write the proportion equation
86,341.68 : 129,514.95 = 24,012.18 : x - Step 2: Convert to fraction form
86,341.68/129,514.95 = 24,012.18/x - Step 3: Cross multiply
86,341.68x = 129,514.95 × 24,012.18 - Step 4: Simplify right side
86,341.68x = 3,109,936,292.09 - Step 5: Solve for x
x = 3,109,936,292.09/86,341.68 - Step 6: Final answer
x = 36,018.95
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1.5x scale
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.