Home / 43,783.65-65,633.22-14,181.39

Finding the Fourth Proportional to 43,783.65, 65,633.22 and 14,181.39

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Solution

The fourth proportional to 43,783.65, 65,633.22 and 14,181.39 is: 21,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,783.65 : 65,633.22 = 14,181.39 : x
  2. Step 2: Convert to fraction form
    43,783.65/65,633.22 = 14,181.39/x
  3. Step 3: Cross multiply
    43,783.65x = 65,633.22 × 14,181.39
  4. Step 4: Simplify right side
    43,783.65x = 930,770,289.78
  5. Step 5: Solve for x
    x = 930,770,289.78/43,783.65
  6. Step 6: Final answer
    x = 21,258.40

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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.