Home / 33,291.72-45,951.84-19,149.12

Finding the Fourth Proportional to 33,291.72, 45,951.84 and 19,149.12

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Solution

The fourth proportional to 33,291.72, 45,951.84 and 19,149.12 is: 26,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.72 : 45,951.84 = 19,149.12 : x
  2. Step 2: Convert to fraction form
    33,291.72/45,951.84 = 19,149.12/x
  3. Step 3: Cross multiply
    33,291.72x = 45,951.84 × 19,149.12
  4. Step 4: Simplify right side
    33,291.72x = 879,937,298.38
  5. Step 5: Solve for x
    x = 879,937,298.38/33,291.72
  6. Step 6: Final answer
    x = 26,431.12

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Double scale
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Similar ratio
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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.