Home / 43,289.48-64,885.05-18,313.94

Finding the Fourth Proportional to 43,289.48, 64,885.05 and 18,313.94

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Solution

The fourth proportional to 43,289.48, 64,885.05 and 18,313.94 is: 27,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.48 : 64,885.05 = 18,313.94 : x
  2. Step 2: Convert to fraction form
    43,289.48/64,885.05 = 18,313.94/x
  3. Step 3: Cross multiply
    43,289.48x = 64,885.05 × 18,313.94
  4. Step 4: Simplify right side
    43,289.48x = 1,188,300,912.60
  5. Step 5: Solve for x
    x = 1,188,300,912.60/43,289.48
  6. Step 6: Final answer
    x = 27,450.11

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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.