Home / 43,789.68-65,705.99-27,145.31

Finding the Fourth Proportional to 43,789.68, 65,705.99 and 27,145.31

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Solution

The fourth proportional to 43,789.68, 65,705.99 and 27,145.31 is: 40,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.68 : 65,705.99 = 27,145.31 : x
  2. Step 2: Convert to fraction form
    43,789.68/65,705.99 = 27,145.31/x
  3. Step 3: Cross multiply
    43,789.68x = 65,705.99 × 27,145.31
  4. Step 4: Simplify right side
    43,789.68x = 1,783,609,003.15
  5. Step 5: Solve for x
    x = 1,783,609,003.15/43,789.68
  6. Step 6: Final answer
    x = 40,731.26

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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.