Home / 43,677.56-65,518.78-12,512

Finding the Fourth Proportional to 43,677.56, 65,518.78 and 12,512

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Solution

The fourth proportional to 43,677.56, 65,518.78 and 12,512 is: 18,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,677.56 : 65,518.78 = 12,512 : x
  2. Step 2: Convert to fraction form
    43,677.56/65,518.78 = 12,512/x
  3. Step 3: Cross multiply
    43,677.56x = 65,518.78 × 12,512
  4. Step 4: Simplify right side
    43,677.56x = 819,770,975.36
  5. Step 5: Solve for x
    x = 819,770,975.36/43,677.56
  6. Step 6: Final answer
    x = 18,768.70

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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.