Home / 43,388.36-65,092.14-18,449.81

Finding the Fourth Proportional to 43,388.36, 65,092.14 and 18,449.81

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Solution

The fourth proportional to 43,388.36, 65,092.14 and 18,449.81 is: 27,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,388.36 : 65,092.14 = 18,449.81 : x
  2. Step 2: Convert to fraction form
    43,388.36/65,092.14 = 18,449.81/x
  3. Step 3: Cross multiply
    43,388.36x = 65,092.14 × 18,449.81
  4. Step 4: Simplify right side
    43,388.36x = 1,200,937,290.03
  5. Step 5: Solve for x
    x = 1,200,937,290.03/43,388.36
  6. Step 6: Final answer
    x = 27,678.79

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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.