Home / 43,959.78-65,942.70-17,664.54

Finding the Fourth Proportional to 43,959.78, 65,942.70 and 17,664.54

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Solution

The fourth proportional to 43,959.78, 65,942.70 and 17,664.54 is: 26,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959.78 : 65,942.70 = 17,664.54 : x
  2. Step 2: Convert to fraction form
    43,959.78/65,942.70 = 17,664.54/x
  3. Step 3: Cross multiply
    43,959.78x = 65,942.70 × 17,664.54
  4. Step 4: Simplify right side
    43,959.78x = 1,164,847,461.86
  5. Step 5: Solve for x
    x = 1,164,847,461.86/43,959.78
  6. Step 6: Final answer
    x = 26,498.03

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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.