Home / 39,450-54,426.98-23,313.89

Finding the Fourth Proportional to 39,450, 54,426.98 and 23,313.89

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Solution

The fourth proportional to 39,450, 54,426.98 and 23,313.89 is: 32,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450 : 54,426.98 = 23,313.89 : x
  2. Step 2: Convert to fraction form
    39,450/54,426.98 = 23,313.89/x
  3. Step 3: Cross multiply
    39,450x = 54,426.98 × 23,313.89
  4. Step 4: Simplify right side
    39,450x = 1,268,904,236.05
  5. Step 5: Solve for x
    x = 1,268,904,236.05/39,450
  6. Step 6: Final answer
    x = 32,164.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.