Home / 36,633.36-50,553.70-20,720.92

Finding the Fourth Proportional to 36,633.36, 50,553.70 and 20,720.92

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Solution

The fourth proportional to 36,633.36, 50,553.70 and 20,720.92 is: 28,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,633.36 : 50,553.70 = 20,720.92 : x
  2. Step 2: Convert to fraction form
    36,633.36/50,553.70 = 20,720.92/x
  3. Step 3: Cross multiply
    36,633.36x = 50,553.70 × 20,720.92
  4. Step 4: Simplify right side
    36,633.36x = 1,047,519,173.40
  5. Step 5: Solve for x
    x = 1,047,519,173.40/36,633.36
  6. Step 6: Final answer
    x = 28,594.68

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Half scale
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Double scale
Find fourth proportional to 36,634.36, 50,555.08 and 20,721.92
Similar ratio
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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.