Home / 38,502.23-57,755.39-12,209.03

Finding the Fourth Proportional to 38,502.23, 57,755.39 and 12,209.03

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Solution

The fourth proportional to 38,502.23, 57,755.39 and 12,209.03 is: 18,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.23 : 57,755.39 = 12,209.03 : x
  2. Step 2: Convert to fraction form
    38,502.23/57,755.39 = 12,209.03/x
  3. Step 3: Cross multiply
    38,502.23x = 57,755.39 × 12,209.03
  4. Step 4: Simplify right side
    38,502.23x = 705,136,939.35
  5. Step 5: Solve for x
    x = 705,136,939.35/38,502.23
  6. Step 6: Final answer
    x = 18,314.18

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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.