Home / 36,306.42-50,100.39-20,390.52

Finding the Fourth Proportional to 36,306.42, 50,100.39 and 20,390.52

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Solution

The fourth proportional to 36,306.42, 50,100.39 and 20,390.52 is: 28,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.42 : 50,100.39 = 20,390.52 : x
  2. Step 2: Convert to fraction form
    36,306.42/50,100.39 = 20,390.52/x
  3. Step 3: Cross multiply
    36,306.42x = 50,100.39 × 20,390.52
  4. Step 4: Simplify right side
    36,306.42x = 1,021,573,004.30
  5. Step 5: Solve for x
    x = 1,021,573,004.30/36,306.42
  6. Step 6: Final answer
    x = 28,137.53

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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.