Home / 31,442.33-43,396.58-18,022.58

Finding the Fourth Proportional to 31,442.33, 43,396.58 and 18,022.58

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Solution

The fourth proportional to 31,442.33, 43,396.58 and 18,022.58 is: 24,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.33 : 43,396.58 = 18,022.58 : x
  2. Step 2: Convert to fraction form
    31,442.33/43,396.58 = 18,022.58/x
  3. Step 3: Cross multiply
    31,442.33x = 43,396.58 × 18,022.58
  4. Step 4: Simplify right side
    31,442.33x = 782,118,162.85
  5. Step 5: Solve for x
    x = 782,118,162.85/31,442.33
  6. Step 6: Final answer
    x = 24,874.68

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1.5x scale

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.