Home / 36,991.38-51,048.28-20,224.38

Finding the Fourth Proportional to 36,991.38, 51,048.28 and 20,224.38

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Solution

The fourth proportional to 36,991.38, 51,048.28 and 20,224.38 is: 27,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991.38 : 51,048.28 = 20,224.38 : x
  2. Step 2: Convert to fraction form
    36,991.38/51,048.28 = 20,224.38/x
  3. Step 3: Cross multiply
    36,991.38x = 51,048.28 × 20,224.38
  4. Step 4: Simplify right side
    36,991.38x = 1,032,419,813.07
  5. Step 5: Solve for x
    x = 1,032,419,813.07/36,991.38
  6. Step 6: Final answer
    x = 27,909.74

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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.