Home / 36,186.98-49,938.47-20,869.97

Finding the Fourth Proportional to 36,186.98, 49,938.47 and 20,869.97

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Solution

The fourth proportional to 36,186.98, 49,938.47 and 20,869.97 is: 28,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,186.98 : 49,938.47 = 20,869.97 : x
  2. Step 2: Convert to fraction form
    36,186.98/49,938.47 = 20,869.97/x
  3. Step 3: Cross multiply
    36,186.98x = 49,938.47 × 20,869.97
  4. Step 4: Simplify right side
    36,186.98x = 1,042,214,016.70
  5. Step 5: Solve for x
    x = 1,042,214,016.70/36,186.98
  6. Step 6: Final answer
    x = 28,800.81

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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.