Home / 36,306.48-50,100.21-20,387.82

Finding the Fourth Proportional to 36,306.48, 50,100.21 and 20,387.82

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Solution

The fourth proportional to 36,306.48, 50,100.21 and 20,387.82 is: 28,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.48 : 50,100.21 = 20,387.82 : x
  2. Step 2: Convert to fraction form
    36,306.48/50,100.21 = 20,387.82/x
  3. Step 3: Cross multiply
    36,306.48x = 50,100.21 × 20,387.82
  4. Step 4: Simplify right side
    36,306.48x = 1,021,434,063.44
  5. Step 5: Solve for x
    x = 1,021,434,063.44/36,306.48
  6. Step 6: Final answer
    x = 28,133.66

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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.