Home / 39,268.11-58,911.89-18,486.75

Finding the Fourth Proportional to 39,268.11, 58,911.89 and 18,486.75

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Solution

The fourth proportional to 39,268.11, 58,911.89 and 18,486.75 is: 27,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,268.11 : 58,911.89 = 18,486.75 : x
  2. Step 2: Convert to fraction form
    39,268.11/58,911.89 = 18,486.75/x
  3. Step 3: Cross multiply
    39,268.11x = 58,911.89 × 18,486.75
  4. Step 4: Simplify right side
    39,268.11x = 1,089,089,290.02
  5. Step 5: Solve for x
    x = 1,089,089,290.02/39,268.11
  6. Step 6: Final answer
    x = 27,734.70

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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.