Home / 57,965.82-86,941.47-18,519.66

Finding the Fourth Proportional to 57,965.82, 86,941.47 and 18,519.66

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Solution

The fourth proportional to 57,965.82, 86,941.47 and 18,519.66 is: 27,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.82 : 86,941.47 = 18,519.66 : x
  2. Step 2: Convert to fraction form
    57,965.82/86,941.47 = 18,519.66/x
  3. Step 3: Cross multiply
    57,965.82x = 86,941.47 × 18,519.66
  4. Step 4: Simplify right side
    57,965.82x = 1,610,126,464.30
  5. Step 5: Solve for x
    x = 1,610,126,464.30/57,965.82
  6. Step 6: Final answer
    x = 27,777.17

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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.