Home / 29,540.61-40,769.96-18,786.50

Finding the Fourth Proportional to 29,540.61, 40,769.96 and 18,786.50

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Solution

The fourth proportional to 29,540.61, 40,769.96 and 18,786.50 is: 25,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540.61 : 40,769.96 = 18,786.50 : x
  2. Step 2: Convert to fraction form
    29,540.61/40,769.96 = 18,786.50/x
  3. Step 3: Cross multiply
    29,540.61x = 40,769.96 × 18,786.50
  4. Step 4: Simplify right side
    29,540.61x = 765,924,555.76
  5. Step 5: Solve for x
    x = 765,924,555.76/29,540.61
  6. Step 6: Final answer
    x = 25,927.85

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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.