Home / 43,481.93-65,241.45-18,533.72

Finding the Fourth Proportional to 43,481.93, 65,241.45 and 18,533.72

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Solution

The fourth proportional to 43,481.93, 65,241.45 and 18,533.72 is: 27,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.93 : 65,241.45 = 18,533.72 : x
  2. Step 2: Convert to fraction form
    43,481.93/65,241.45 = 18,533.72/x
  3. Step 3: Cross multiply
    43,481.93x = 65,241.45 × 18,533.72
  4. Step 4: Simplify right side
    43,481.93x = 1,209,166,440.49
  5. Step 5: Solve for x
    x = 1,209,166,440.49/43,481.93
  6. Step 6: Final answer
    x = 27,808.48

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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.