Home / 43,768.80-65,664-12,606.48

Finding the Fourth Proportional to 43,768.80, 65,664 and 12,606.48

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Solution

The fourth proportional to 43,768.80, 65,664 and 12,606.48 is: 18,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.80 : 65,664 = 12,606.48 : x
  2. Step 2: Convert to fraction form
    43,768.80/65,664 = 12,606.48/x
  3. Step 3: Cross multiply
    43,768.80x = 65,664 × 12,606.48
  4. Step 4: Simplify right side
    43,768.80x = 827,791,902.72
  5. Step 5: Solve for x
    x = 827,791,902.72/43,768.80
  6. Step 6: Final answer
    x = 18,912.83

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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.