Home / 43,716.48-65,582.19-13,724.97

Finding the Fourth Proportional to 43,716.48, 65,582.19 and 13,724.97

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Solution

The fourth proportional to 43,716.48, 65,582.19 and 13,724.97 is: 20,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716.48 : 65,582.19 = 13,724.97 : x
  2. Step 2: Convert to fraction form
    43,716.48/65,582.19 = 13,724.97/x
  3. Step 3: Cross multiply
    43,716.48x = 65,582.19 × 13,724.97
  4. Step 4: Simplify right side
    43,716.48x = 900,113,590.28
  5. Step 5: Solve for x
    x = 900,113,590.28/43,716.48
  6. Step 6: Final answer
    x = 20,589.80

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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.