Home / 57,884.62-86,828.73-19,933.50

Finding the Fourth Proportional to 57,884.62, 86,828.73 and 19,933.50

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Solution

The fourth proportional to 57,884.62, 86,828.73 and 19,933.50 is: 29,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884.62 : 86,828.73 = 19,933.50 : x
  2. Step 2: Convert to fraction form
    57,884.62/86,828.73 = 19,933.50/x
  3. Step 3: Cross multiply
    57,884.62x = 86,828.73 × 19,933.50
  4. Step 4: Simplify right side
    57,884.62x = 1,730,800,489.46
  5. Step 5: Solve for x
    x = 1,730,800,489.46/57,884.62
  6. Step 6: Final answer
    x = 29,900.87

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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.