Home / 29,180.40-43,770.60-18,682.80

Finding the Fourth Proportional to 29,180.40, 43,770.60 and 18,682.80

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Solution

The fourth proportional to 29,180.40, 43,770.60 and 18,682.80 is: 28,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.40 : 43,770.60 = 18,682.80 : x
  2. Step 2: Convert to fraction form
    29,180.40/43,770.60 = 18,682.80/x
  3. Step 3: Cross multiply
    29,180.40x = 43,770.60 × 18,682.80
  4. Step 4: Simplify right side
    29,180.40x = 817,757,365.68
  5. Step 5: Solve for x
    x = 817,757,365.68/29,180.40
  6. Step 6: Final answer
    x = 28,024.20

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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.