Home / 33,211.43-45,830.09-18,869.38

Finding the Fourth Proportional to 33,211.43, 45,830.09 and 18,869.38

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Solution

The fourth proportional to 33,211.43, 45,830.09 and 18,869.38 is: 26,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.43 : 45,830.09 = 18,869.38 : x
  2. Step 2: Convert to fraction form
    33,211.43/45,830.09 = 18,869.38/x
  3. Step 3: Cross multiply
    33,211.43x = 45,830.09 × 18,869.38
  4. Step 4: Simplify right side
    33,211.43x = 864,785,060.15
  5. Step 5: Solve for x
    x = 864,785,060.15/33,211.43
  6. Step 6: Final answer
    x = 26,038.78

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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.