Home / 57,731.33-86,596.09-18,287.88

Finding the Fourth Proportional to 57,731.33, 86,596.09 and 18,287.88

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Solution

The fourth proportional to 57,731.33, 86,596.09 and 18,287.88 is: 27,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.33 : 86,596.09 = 18,287.88 : x
  2. Step 2: Convert to fraction form
    57,731.33/86,596.09 = 18,287.88/x
  3. Step 3: Cross multiply
    57,731.33x = 86,596.09 × 18,287.88
  4. Step 4: Simplify right side
    57,731.33x = 1,583,658,531.93
  5. Step 5: Solve for x
    x = 1,583,658,531.93/57,731.33
  6. Step 6: Final answer
    x = 27,431.53

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1.5x scale

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.