Home / 43,769.52-65,598.12-18,780.48

Finding the Fourth Proportional to 43,769.52, 65,598.12 and 18,780.48

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Solution

The fourth proportional to 43,769.52, 65,598.12 and 18,780.48 is: 28,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.52 : 65,598.12 = 18,780.48 : x
  2. Step 2: Convert to fraction form
    43,769.52/65,598.12 = 18,780.48/x
  3. Step 3: Cross multiply
    43,769.52x = 65,598.12 × 18,780.48
  4. Step 4: Simplify right side
    43,769.52x = 1,231,964,180.70
  5. Step 5: Solve for x
    x = 1,231,964,180.70/43,769.52
  6. Step 6: Final answer
    x = 28,146.62

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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.