Home / 45,917.27-68,866.83-12,628.74

Finding the Fourth Proportional to 45,917.27, 68,866.83 and 12,628.74

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Solution

The fourth proportional to 45,917.27, 68,866.83 and 12,628.74 is: 18,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.27 : 68,866.83 = 12,628.74 : x
  2. Step 2: Convert to fraction form
    45,917.27/68,866.83 = 12,628.74/x
  3. Step 3: Cross multiply
    45,917.27x = 68,866.83 × 12,628.74
  4. Step 4: Simplify right side
    45,917.27x = 869,701,290.69
  5. Step 5: Solve for x
    x = 869,701,290.69/45,917.27
  6. Step 6: Final answer
    x = 18,940.62

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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.