Home / 43,245.09-64,867.25-13,662.92

Finding the Fourth Proportional to 43,245.09, 64,867.25 and 13,662.92

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Solution

The fourth proportional to 43,245.09, 64,867.25 and 13,662.92 is: 20,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,245.09 : 64,867.25 = 13,662.92 : x
  2. Step 2: Convert to fraction form
    43,245.09/64,867.25 = 13,662.92/x
  3. Step 3: Cross multiply
    43,245.09x = 64,867.25 × 13,662.92
  4. Step 4: Simplify right side
    43,245.09x = 886,275,979.06
  5. Step 5: Solve for x
    x = 886,275,979.06/43,245.09
  6. Step 6: Final answer
    x = 20,494.26

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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.