Home / 57,933.92-86,846.72-20,473.04

Finding the Fourth Proportional to 57,933.92, 86,846.72 and 20,473.04

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Solution

The fourth proportional to 57,933.92, 86,846.72 and 20,473.04 is: 30,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.92 : 86,846.72 = 20,473.04 : x
  2. Step 2: Convert to fraction form
    57,933.92/86,846.72 = 20,473.04/x
  3. Step 3: Cross multiply
    57,933.92x = 86,846.72 × 20,473.04
  4. Step 4: Simplify right side
    57,933.92x = 1,778,016,372.43
  5. Step 5: Solve for x
    x = 1,778,016,372.43/57,933.92
  6. Step 6: Final answer
    x = 30,690.42

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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.