Home / 36,910.55-50,931.99-20,775.89

Finding the Fourth Proportional to 36,910.55, 50,931.99 and 20,775.89

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Solution

The fourth proportional to 36,910.55, 50,931.99 and 20,775.89 is: 28,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.55 : 50,931.99 = 20,775.89 : x
  2. Step 2: Convert to fraction form
    36,910.55/50,931.99 = 20,775.89/x
  3. Step 3: Cross multiply
    36,910.55x = 50,931.99 × 20,775.89
  4. Step 4: Simplify right side
    36,910.55x = 1,058,157,549.05
  5. Step 5: Solve for x
    x = 1,058,157,549.05/36,910.55
  6. Step 6: Final answer
    x = 28,668.16

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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.