Home / 33,128.08-45,712.60-22,396.30

Finding the Fourth Proportional to 33,128.08, 45,712.60 and 22,396.30

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Solution

The fourth proportional to 33,128.08, 45,712.60 and 22,396.30 is: 30,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.08 : 45,712.60 = 22,396.30 : x
  2. Step 2: Convert to fraction form
    33,128.08/45,712.60 = 22,396.30/x
  3. Step 3: Cross multiply
    33,128.08x = 45,712.60 × 22,396.30
  4. Step 4: Simplify right side
    33,128.08x = 1,023,793,103.38
  5. Step 5: Solve for x
    x = 1,023,793,103.38/33,128.08
  6. Step 6: Final answer
    x = 30,904.09

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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.