Home / 43,747.68-65,639.07-21,560.52

Finding the Fourth Proportional to 43,747.68, 65,639.07 and 21,560.52

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Solution

The fourth proportional to 43,747.68, 65,639.07 and 21,560.52 is: 32,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,747.68 : 65,639.07 = 21,560.52 : x
  2. Step 2: Convert to fraction form
    43,747.68/65,639.07 = 21,560.52/x
  3. Step 3: Cross multiply
    43,747.68x = 65,639.07 × 21,560.52
  4. Step 4: Simplify right side
    43,747.68x = 1,415,212,481.52
  5. Step 5: Solve for x
    x = 1,415,212,481.52/43,747.68
  6. Step 6: Final answer
    x = 32,349.43

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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.