Home / 32,078.25-44,287.43-20,919.69

Finding the Fourth Proportional to 32,078.25, 44,287.43 and 20,919.69

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Solution

The fourth proportional to 32,078.25, 44,287.43 and 20,919.69 is: 28,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,078.25 : 44,287.43 = 20,919.69 : x
  2. Step 2: Convert to fraction form
    32,078.25/44,287.43 = 20,919.69/x
  3. Step 3: Cross multiply
    32,078.25x = 44,287.43 × 20,919.69
  4. Step 4: Simplify right side
    32,078.25x = 926,479,201.90
  5. Step 5: Solve for x
    x = 926,479,201.90/32,078.25
  6. Step 6: Final answer
    x = 28,881.85

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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.