Home / 43,934.94-65,871.09-20,548.62

Finding the Fourth Proportional to 43,934.94, 65,871.09 and 20,548.62

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Solution

The fourth proportional to 43,934.94, 65,871.09 and 20,548.62 is: 30,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.94 : 65,871.09 = 20,548.62 : x
  2. Step 2: Convert to fraction form
    43,934.94/65,871.09 = 20,548.62/x
  3. Step 3: Cross multiply
    43,934.94x = 65,871.09 × 20,548.62
  4. Step 4: Simplify right side
    43,934.94x = 1,353,559,997.40
  5. Step 5: Solve for x
    x = 1,353,559,997.40/43,934.94
  6. Step 6: Final answer
    x = 30,808.28

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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.