Home / 31,874.33-43,984.68-18,444.62

Finding the Fourth Proportional to 31,874.33, 43,984.68 and 18,444.62

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Solution

The fourth proportional to 31,874.33, 43,984.68 and 18,444.62 is: 25,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.33 : 43,984.68 = 18,444.62 : x
  2. Step 2: Convert to fraction form
    31,874.33/43,984.68 = 18,444.62/x
  3. Step 3: Cross multiply
    31,874.33x = 43,984.68 × 18,444.62
  4. Step 4: Simplify right side
    31,874.33x = 811,280,488.50
  5. Step 5: Solve for x
    x = 811,280,488.50/31,874.33
  6. Step 6: Final answer
    x = 25,452.48

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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.