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Finding the Fourth Proportional to 30,469.59, 45,682.92 and 11,733.93

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Solution

The fourth proportional to 30,469.59, 45,682.92 and 11,733.93 is: 17,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.59 : 45,682.92 = 11,733.93 : x
  2. Step 2: Convert to fraction form
    30,469.59/45,682.92 = 11,733.93/x
  3. Step 3: Cross multiply
    30,469.59x = 45,682.92 × 11,733.93
  4. Step 4: Simplify right side
    30,469.59x = 536,040,185.48
  5. Step 5: Solve for x
    x = 536,040,185.48/30,469.59
  6. Step 6: Final answer
    x = 17,592.63

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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.