Home / 43,945.09-65,873.58-21,774.58

Finding the Fourth Proportional to 43,945.09, 65,873.58 and 21,774.58

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Solution

The fourth proportional to 43,945.09, 65,873.58 and 21,774.58 is: 32,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.09 : 65,873.58 = 21,774.58 : x
  2. Step 2: Convert to fraction form
    43,945.09/65,873.58 = 21,774.58/x
  3. Step 3: Cross multiply
    43,945.09x = 65,873.58 × 21,774.58
  4. Step 4: Simplify right side
    43,945.09x = 1,434,369,537.60
  5. Step 5: Solve for x
    x = 1,434,369,537.60/43,945.09
  6. Step 6: Final answer
    x = 32,640.04

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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.