Home / 36,425.54-50,272.08-20,513.12

Finding the Fourth Proportional to 36,425.54, 50,272.08 and 20,513.12

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Solution

The fourth proportional to 36,425.54, 50,272.08 and 20,513.12 is: 28,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,425.54 : 50,272.08 = 20,513.12 : x
  2. Step 2: Convert to fraction form
    36,425.54/50,272.08 = 20,513.12/x
  3. Step 3: Cross multiply
    36,425.54x = 50,272.08 × 20,513.12
  4. Step 4: Simplify right side
    36,425.54x = 1,031,237,209.69
  5. Step 5: Solve for x
    x = 1,031,237,209.69/36,425.54
  6. Step 6: Final answer
    x = 28,310.83

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Double scale
Find fourth proportional to 36,426.54, 50,273.46 and 20,514.12
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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.