Home / 32,739.68-49,131.60-11,965.28

Finding the Fourth Proportional to 32,739.68, 49,131.60 and 11,965.28

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Solution

The fourth proportional to 32,739.68, 49,131.60 and 11,965.28 is: 17,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.68 : 49,131.60 = 11,965.28 : x
  2. Step 2: Convert to fraction form
    32,739.68/49,131.60 = 11,965.28/x
  3. Step 3: Cross multiply
    32,739.68x = 49,131.60 × 11,965.28
  4. Step 4: Simplify right side
    32,739.68x = 587,873,350.85
  5. Step 5: Solve for x
    x = 587,873,350.85/32,739.68
  6. Step 6: Final answer
    x = 17,955.99

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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.