Finding the Fourth Proportional to 29,434.95, 40,618.99 and 16,688.99
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Solution
The fourth proportional to 29,434.95, 40,618.99 and 16,688.99 is: 23,030.10
Step by Step Solution
- Step 1: Write the proportion equation
29,434.95 : 40,618.99 = 16,688.99 : x - Step 2: Convert to fraction form
29,434.95/40,618.99 = 16,688.99/x - Step 3: Cross multiply
29,434.95x = 40,618.99 × 16,688.99 - Step 4: Simplify right side
29,434.95x = 677,889,714.83 - Step 5: Solve for x
x = 677,889,714.83/29,434.95 - Step 6: Final answer
x = 23,030.10
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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.