Home / 47,546.82-71,320.23-12,486.42

Finding the Fourth Proportional to 47,546.82, 71,320.23 and 12,486.42

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Solution

The fourth proportional to 47,546.82, 71,320.23 and 12,486.42 is: 18,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,546.82 : 71,320.23 = 12,486.42 : x
  2. Step 2: Convert to fraction form
    47,546.82/71,320.23 = 12,486.42/x
  3. Step 3: Cross multiply
    47,546.82x = 71,320.23 × 12,486.42
  4. Step 4: Simplify right side
    47,546.82x = 890,534,346.28
  5. Step 5: Solve for x
    x = 890,534,346.28/47,546.82
  6. Step 6: Final answer
    x = 18,729.63

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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.