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Finding the Fourth Proportional to 29,775.81, 41,092.11 and 16,346.91

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Solution

The fourth proportional to 29,775.81, 41,092.11 and 16,346.91 is: 22,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,775.81 : 41,092.11 = 16,346.91 : x
  2. Step 2: Convert to fraction form
    29,775.81/41,092.11 = 16,346.91/x
  3. Step 3: Cross multiply
    29,775.81x = 41,092.11 × 16,346.91
  4. Step 4: Simplify right side
    29,775.81x = 671,729,023.88
  5. Step 5: Solve for x
    x = 671,729,023.88/29,775.81
  6. Step 6: Final answer
    x = 22,559.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.