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Finding the Fourth Proportional to 45,773, 68,659.92 and 18,071

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Solution

The fourth proportional to 45,773, 68,659.92 and 18,071 is: 27,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,773 : 68,659.92 = 18,071 : x
  2. Step 2: Convert to fraction form
    45,773/68,659.92 = 18,071/x
  3. Step 3: Cross multiply
    45,773x = 68,659.92 × 18,071
  4. Step 4: Simplify right side
    45,773x = 1,240,753,414.32
  5. Step 5: Solve for x
    x = 1,240,753,414.32/45,773
  6. Step 6: Final answer
    x = 27,106.67

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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.