Home / 33,071.85-49,592.13-12,818.09

Finding the Fourth Proportional to 33,071.85, 49,592.13 and 12,818.09

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Solution

The fourth proportional to 33,071.85, 49,592.13 and 12,818.09 is: 19,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,071.85 : 49,592.13 = 12,818.09 : x
  2. Step 2: Convert to fraction form
    33,071.85/49,592.13 = 12,818.09/x
  3. Step 3: Cross multiply
    33,071.85x = 49,592.13 × 12,818.09
  4. Step 4: Simplify right side
    33,071.85x = 635,676,461.54
  5. Step 5: Solve for x
    x = 635,676,461.54/33,071.85
  6. Step 6: Final answer
    x = 19,221.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.