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Finding the Fourth Proportional to 55,052.78, 82,580.87 and 26,195.07

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Solution

The fourth proportional to 55,052.78, 82,580.87 and 26,195.07 is: 39,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.78 : 82,580.87 = 26,195.07 : x
  2. Step 2: Convert to fraction form
    55,052.78/82,580.87 = 26,195.07/x
  3. Step 3: Cross multiply
    55,052.78x = 82,580.87 × 26,195.07
  4. Step 4: Simplify right side
    55,052.78x = 2,163,211,670.31
  5. Step 5: Solve for x
    x = 2,163,211,670.31/55,052.78
  6. Step 6: Final answer
    x = 39,293.42

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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.