Home / 57,984.37-86,987.49-18,530.89

Finding the Fourth Proportional to 57,984.37, 86,987.49 and 18,530.89

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Solution

The fourth proportional to 57,984.37, 86,987.49 and 18,530.89 is: 27,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984.37 : 86,987.49 = 18,530.89 : x
  2. Step 2: Convert to fraction form
    57,984.37/86,987.49 = 18,530.89/x
  3. Step 3: Cross multiply
    57,984.37x = 86,987.49 × 18,530.89
  4. Step 4: Simplify right side
    57,984.37x = 1,611,955,608.57
  5. Step 5: Solve for x
    x = 1,611,955,608.57/57,984.37
  6. Step 6: Final answer
    x = 27,799.83

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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.