Home / 36,638.82-50,561.57-20,722.92

Finding the Fourth Proportional to 36,638.82, 50,561.57 and 20,722.92

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Solution

The fourth proportional to 36,638.82, 50,561.57 and 20,722.92 is: 28,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.82 : 50,561.57 = 20,722.92 : x
  2. Step 2: Convert to fraction form
    36,638.82/50,561.57 = 20,722.92/x
  3. Step 3: Cross multiply
    36,638.82x = 50,561.57 × 20,722.92
  4. Step 4: Simplify right side
    36,638.82x = 1,047,783,266.57
  5. Step 5: Solve for x
    x = 1,047,783,266.57/36,638.82
  6. Step 6: Final answer
    x = 28,597.63

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Half scale
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Double scale
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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.