Home / 43,940.46-65,921.93-12,775.71

Finding the Fourth Proportional to 43,940.46, 65,921.93 and 12,775.71

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Solution

The fourth proportional to 43,940.46, 65,921.93 and 12,775.71 is: 19,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.46 : 65,921.93 = 12,775.71 : x
  2. Step 2: Convert to fraction form
    43,940.46/65,921.93 = 12,775.71/x
  3. Step 3: Cross multiply
    43,940.46x = 65,921.93 × 12,775.71
  4. Step 4: Simplify right side
    43,940.46x = 842,199,460.32
  5. Step 5: Solve for x
    x = 842,199,460.32/43,940.46
  6. Step 6: Final answer
    x = 19,166.83

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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.