Home / 36,789.55-50,768.08-20,873.66

Finding the Fourth Proportional to 36,789.55, 50,768.08 and 20,873.66

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Solution

The fourth proportional to 36,789.55, 50,768.08 and 20,873.66 is: 28,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,789.55 : 50,768.08 = 20,873.66 : x
  2. Step 2: Convert to fraction form
    36,789.55/50,768.08 = 20,873.66/x
  3. Step 3: Cross multiply
    36,789.55x = 50,768.08 × 20,873.66
  4. Step 4: Simplify right side
    36,789.55x = 1,059,715,386.93
  5. Step 5: Solve for x
    x = 1,059,715,386.93/36,789.55
  6. Step 6: Final answer
    x = 28,804.80

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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.