Home / 57,584.70-86,389.20-18,145.80

Finding the Fourth Proportional to 57,584.70, 86,389.20 and 18,145.80

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Solution

The fourth proportional to 57,584.70, 86,389.20 and 18,145.80 is: 27,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,584.70 : 86,389.20 = 18,145.80 : x
  2. Step 2: Convert to fraction form
    57,584.70/86,389.20 = 18,145.80/x
  3. Step 3: Cross multiply
    57,584.70x = 86,389.20 × 18,145.80
  4. Step 4: Simplify right side
    57,584.70x = 1,567,601,145.36
  5. Step 5: Solve for x
    x = 1,567,601,145.36/57,584.70
  6. Step 6: Final answer
    x = 27,222.53

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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.