Finding the Fourth Proportional to 38,457.83, 53,095.83 and 29,488.09
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Solution
The fourth proportional to 38,457.83, 53,095.83 and 29,488.09 is: 40,711.99
Step by Step Solution
- Step 1: Write the proportion equation
38,457.83 : 53,095.83 = 29,488.09 : x - Step 2: Convert to fraction form
38,457.83/53,095.83 = 29,488.09/x - Step 3: Cross multiply
38,457.83x = 53,095.83 × 29,488.09 - Step 4: Simplify right side
38,457.83x = 1,565,694,613.66 - Step 5: Solve for x
x = 1,565,694,613.66/38,457.83 - Step 6: Final answer
x = 40,711.99
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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.