Home / 39,268.36-58,912.26-18,487

Finding the Fourth Proportional to 39,268.36, 58,912.26 and 18,487

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Solution

The fourth proportional to 39,268.36, 58,912.26 and 18,487 is: 27,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.36 : 58,912.26 = 18,487 : x
  2. Step 2: Convert to fraction form
    39,268.36/58,912.26 = 18,487/x
  3. Step 3: Cross multiply
    39,268.36x = 58,912.26 × 18,487
  4. Step 4: Simplify right side
    39,268.36x = 1,089,110,950.62
  5. Step 5: Solve for x
    x = 1,089,110,950.62/39,268.36
  6. Step 6: Final answer
    x = 27,735.08

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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.