Home / 43,940.19-65,921.52-12,775.44

Finding the Fourth Proportional to 43,940.19, 65,921.52 and 12,775.44

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Solution

The fourth proportional to 43,940.19, 65,921.52 and 12,775.44 is: 19,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.19 : 65,921.52 = 12,775.44 : x
  2. Step 2: Convert to fraction form
    43,940.19/65,921.52 = 12,775.44/x
  3. Step 3: Cross multiply
    43,940.19x = 65,921.52 × 12,775.44
  4. Step 4: Simplify right side
    43,940.19x = 842,176,423.47
  5. Step 5: Solve for x
    x = 842,176,423.47/43,940.19
  6. Step 6: Final answer
    x = 19,166.43

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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.