Home / 43,980.78-65,974.23-17,685.54

Finding the Fourth Proportional to 43,980.78, 65,974.23 and 17,685.54

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Solution

The fourth proportional to 43,980.78, 65,974.23 and 17,685.54 is: 26,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,980.78 : 65,974.23 = 17,685.54 : x
  2. Step 2: Convert to fraction form
    43,980.78/65,974.23 = 17,685.54/x
  3. Step 3: Cross multiply
    43,980.78x = 65,974.23 × 17,685.54
  4. Step 4: Simplify right side
    43,980.78x = 1,166,789,883.63
  5. Step 5: Solve for x
    x = 1,166,789,883.63/43,980.78
  6. Step 6: Final answer
    x = 26,529.54

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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.