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Finding the Fourth Proportional to 30,353.33, 45,524.45 and 8,161.52

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Solution

The fourth proportional to 30,353.33, 45,524.45 and 8,161.52 is: 12,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.33 : 45,524.45 = 8,161.52 : x
  2. Step 2: Convert to fraction form
    30,353.33/45,524.45 = 8,161.52/x
  3. Step 3: Cross multiply
    30,353.33x = 45,524.45 × 8,161.52
  4. Step 4: Simplify right side
    30,353.33x = 371,548,501.95
  5. Step 5: Solve for x
    x = 371,548,501.95/30,353.33
  6. Step 6: Final answer
    x = 12,240.78

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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.