Home / 36,553.69-50,443.65-20,638.81

Finding the Fourth Proportional to 36,553.69, 50,443.65 and 20,638.81

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Solution

The fourth proportional to 36,553.69, 50,443.65 and 20,638.81 is: 28,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.69 : 50,443.65 = 20,638.81 : x
  2. Step 2: Convert to fraction form
    36,553.69/50,443.65 = 20,638.81/x
  3. Step 3: Cross multiply
    36,553.69x = 50,443.65 × 20,638.81
  4. Step 4: Simplify right side
    36,553.69x = 1,041,096,908.06
  5. Step 5: Solve for x
    x = 1,041,096,908.06/36,553.69
  6. Step 6: Final answer
    x = 28,481.31

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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.