Home / 43,268.48-64,906.37-13,685.66

Finding the Fourth Proportional to 43,268.48, 64,906.37 and 13,685.66

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Solution

The fourth proportional to 43,268.48, 64,906.37 and 13,685.66 is: 20,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.48 : 64,906.37 = 13,685.66 : x
  2. Step 2: Convert to fraction form
    43,268.48/64,906.37 = 13,685.66/x
  3. Step 3: Cross multiply
    43,268.48x = 64,906.37 × 13,685.66
  4. Step 4: Simplify right side
    43,268.48x = 888,286,511.65
  5. Step 5: Solve for x
    x = 888,286,511.65/43,268.48
  6. Step 6: Final answer
    x = 20,529.64

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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.