Home / 43,665.52-65,443.48-18,676.19

Finding the Fourth Proportional to 43,665.52, 65,443.48 and 18,676.19

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Solution

The fourth proportional to 43,665.52, 65,443.48 and 18,676.19 is: 27,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,665.52 : 65,443.48 = 18,676.19 : x
  2. Step 2: Convert to fraction form
    43,665.52/65,443.48 = 18,676.19/x
  3. Step 3: Cross multiply
    43,665.52x = 65,443.48 × 18,676.19
  4. Step 4: Simplify right side
    43,665.52x = 1,222,234,866.74
  5. Step 5: Solve for x
    x = 1,222,234,866.74/43,665.52
  6. Step 6: Final answer
    x = 27,990.85

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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.