Home / 57,474.50-86,222.68-18,021.02

Finding the Fourth Proportional to 57,474.50, 86,222.68 and 18,021.02

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Solution

The fourth proportional to 57,474.50, 86,222.68 and 18,021.02 is: 27,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474.50 : 86,222.68 = 18,021.02 : x
  2. Step 2: Convert to fraction form
    57,474.50/86,222.68 = 18,021.02/x
  3. Step 3: Cross multiply
    57,474.50x = 86,222.68 × 18,021.02
  4. Step 4: Simplify right side
    57,474.50x = 1,553,820,164.57
  5. Step 5: Solve for x
    x = 1,553,820,164.57/57,474.50
  6. Step 6: Final answer
    x = 27,034.95

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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.