Home / 43,280.49-64,914.24-13,694.48

Finding the Fourth Proportional to 43,280.49, 64,914.24 and 13,694.48

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Solution

The fourth proportional to 43,280.49, 64,914.24 and 13,694.48 is: 20,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.49 : 64,914.24 = 13,694.48 : x
  2. Step 2: Convert to fraction form
    43,280.49/64,914.24 = 13,694.48/x
  3. Step 3: Cross multiply
    43,280.49x = 64,914.24 × 13,694.48
  4. Step 4: Simplify right side
    43,280.49x = 888,967,096.75
  5. Step 5: Solve for x
    x = 888,967,096.75/43,280.49
  6. Step 6: Final answer
    x = 20,539.67

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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.