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Finding the Fourth Proportional to 38,773, 58,161.66 and 11,073.16

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Solution

The fourth proportional to 38,773, 58,161.66 and 11,073.16 is: 16,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773 : 58,161.66 = 11,073.16 : x
  2. Step 2: Convert to fraction form
    38,773/58,161.66 = 11,073.16/x
  3. Step 3: Cross multiply
    38,773x = 58,161.66 × 11,073.16
  4. Step 4: Simplify right side
    38,773x = 644,033,367.05
  5. Step 5: Solve for x
    x = 644,033,367.05/38,773
  6. Step 6: Final answer
    x = 16,610.36

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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.