Home / 36,226.69-49,983.37-20,909.49

Finding the Fourth Proportional to 36,226.69, 49,983.37 and 20,909.49

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Solution

The fourth proportional to 36,226.69, 49,983.37 and 20,909.49 is: 28,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.69 : 49,983.37 = 20,909.49 : x
  2. Step 2: Convert to fraction form
    36,226.69/49,983.37 = 20,909.49/x
  3. Step 3: Cross multiply
    36,226.69x = 49,983.37 × 20,909.49
  4. Step 4: Simplify right side
    36,226.69x = 1,045,126,535.47
  5. Step 5: Solve for x
    x = 1,045,126,535.47/36,226.69
  6. Step 6: Final answer
    x = 28,849.63

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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.