Home / 43,481.68-65,195.86-18,507.51

Finding the Fourth Proportional to 43,481.68, 65,195.86 and 18,507.51

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Solution

The fourth proportional to 43,481.68, 65,195.86 and 18,507.51 is: 27,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.68 : 65,195.86 = 18,507.51 : x
  2. Step 2: Convert to fraction form
    43,481.68/65,195.86 = 18,507.51/x
  3. Step 3: Cross multiply
    43,481.68x = 65,195.86 × 18,507.51
  4. Step 4: Simplify right side
    43,481.68x = 1,206,612,612.39
  5. Step 5: Solve for x
    x = 1,206,612,612.39/43,481.68
  6. Step 6: Final answer
    x = 27,749.91

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1.5x scale

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.