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Finding the Fourth Proportional to 57,680.58, 79,599.18 and 32,530.08

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Solution

The fourth proportional to 57,680.58, 79,599.18 and 32,530.08 is: 44,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.58 : 79,599.18 = 32,530.08 : x
  2. Step 2: Convert to fraction form
    57,680.58/79,599.18 = 32,530.08/x
  3. Step 3: Cross multiply
    57,680.58x = 79,599.18 × 32,530.08
  4. Step 4: Simplify right side
    57,680.58x = 2,589,367,693.33
  5. Step 5: Solve for x
    x = 2,589,367,693.33/57,680.58
  6. Step 6: Final answer
    x = 44,891.50

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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.