Home / 57,997.38-86,971.46-20,566.88

Finding the Fourth Proportional to 57,997.38, 86,971.46 and 20,566.88

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Solution

The fourth proportional to 57,997.38, 86,971.46 and 20,566.88 is: 30,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,997.38 : 86,971.46 = 20,566.88 : x
  2. Step 2: Convert to fraction form
    57,997.38/86,971.46 = 20,566.88/x
  3. Step 3: Cross multiply
    57,997.38x = 86,971.46 × 20,566.88
  4. Step 4: Simplify right side
    57,997.38x = 1,788,731,369.70
  5. Step 5: Solve for x
    x = 1,788,731,369.70/57,997.38
  6. Step 6: Final answer
    x = 30,841.59

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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.