Home / 43,270.23-64,908.99-13,687.41

Finding the Fourth Proportional to 43,270.23, 64,908.99 and 13,687.41

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Solution

The fourth proportional to 43,270.23, 64,908.99 and 13,687.41 is: 20,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.23 : 64,908.99 = 13,687.41 : x
  2. Step 2: Convert to fraction form
    43,270.23/64,908.99 = 13,687.41/x
  3. Step 3: Cross multiply
    43,270.23x = 64,908.99 × 13,687.41
  4. Step 4: Simplify right side
    43,270.23x = 888,435,958.82
  5. Step 5: Solve for x
    x = 888,435,958.82/43,270.23
  6. Step 6: Final answer
    x = 20,532.27

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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.