Finding the Fourth Proportional to 56,014.56, 77,297.04 and 30,862.08
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Solution
The fourth proportional to 56,014.56, 77,297.04 and 30,862.08 is: 42,587.99
Step by Step Solution
- Step 1: Write the proportion equation
56,014.56 : 77,297.04 = 30,862.08 : x - Step 2: Convert to fraction form
56,014.56/77,297.04 = 30,862.08/x - Step 3: Cross multiply
56,014.56x = 77,297.04 × 30,862.08 - Step 4: Simplify right side
56,014.56x = 2,385,547,432.24 - Step 5: Solve for x
x = 2,385,547,432.24/56,014.56 - Step 6: Final answer
x = 42,587.99
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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.