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Finding the Fourth Proportional to 55,079.56, 82,582.26 and 32,908.42

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Solution

The fourth proportional to 55,079.56, 82,582.26 and 32,908.42 is: 49,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.56 : 82,582.26 = 32,908.42 : x
  2. Step 2: Convert to fraction form
    55,079.56/82,582.26 = 32,908.42/x
  3. Step 3: Cross multiply
    55,079.56x = 82,582.26 × 32,908.42
  4. Step 4: Simplify right side
    55,079.56x = 2,717,651,696.63
  5. Step 5: Solve for x
    x = 2,717,651,696.63/55,079.56
  6. Step 6: Final answer
    x = 49,340.48

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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.