Home / 43,249.46-64,873.80-13,667.30

Finding the Fourth Proportional to 43,249.46, 64,873.80 and 13,667.30

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Solution

The fourth proportional to 43,249.46, 64,873.80 and 13,667.30 is: 20,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.46 : 64,873.80 = 13,667.30 : x
  2. Step 2: Convert to fraction form
    43,249.46/64,873.80 = 13,667.30/x
  3. Step 3: Cross multiply
    43,249.46x = 64,873.80 × 13,667.30
  4. Step 4: Simplify right side
    43,249.46x = 886,649,362.37
  5. Step 5: Solve for x
    x = 886,649,362.37/43,249.46
  6. Step 6: Final answer
    x = 20,500.82

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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.