Home / 43,249.22-64,899.45-18,287.90

Finding the Fourth Proportional to 43,249.22, 64,899.45 and 18,287.90

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Solution

The fourth proportional to 43,249.22, 64,899.45 and 18,287.90 is: 27,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.22 : 64,899.45 = 18,287.90 : x
  2. Step 2: Convert to fraction form
    43,249.22/64,899.45 = 18,287.90/x
  3. Step 3: Cross multiply
    43,249.22x = 64,899.45 × 18,287.90
  4. Step 4: Simplify right side
    43,249.22x = 1,186,874,651.66
  5. Step 5: Solve for x
    x = 1,186,874,651.66/43,249.22
  6. Step 6: Final answer
    x = 27,442.68

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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.