Home / 43,709.13-65,584.26-21,541.23

Finding the Fourth Proportional to 43,709.13, 65,584.26 and 21,541.23

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Solution

The fourth proportional to 43,709.13, 65,584.26 and 21,541.23 is: 32,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,709.13 : 65,584.26 = 21,541.23 : x
  2. Step 2: Convert to fraction form
    43,709.13/65,584.26 = 21,541.23/x
  3. Step 3: Cross multiply
    43,709.13x = 65,584.26 × 21,541.23
  4. Step 4: Simplify right side
    43,709.13x = 1,412,765,629.04
  5. Step 5: Solve for x
    x = 1,412,765,629.04/43,709.13
  6. Step 6: Final answer
    x = 32,321.98

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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.