Home / 43,767.55-65,645.85-12,179.98

Finding the Fourth Proportional to 43,767.55, 65,645.85 and 12,179.98

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Solution

The fourth proportional to 43,767.55, 65,645.85 and 12,179.98 is: 18,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,767.55 : 65,645.85 = 12,179.98 : x
  2. Step 2: Convert to fraction form
    43,767.55/65,645.85 = 12,179.98/x
  3. Step 3: Cross multiply
    43,767.55x = 65,645.85 × 12,179.98
  4. Step 4: Simplify right side
    43,767.55x = 799,564,975.97
  5. Step 5: Solve for x
    x = 799,564,975.97/43,767.55
  6. Step 6: Final answer
    x = 18,268.44

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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.