Home / 36,310.07-50,112.17-20,394.45

Finding the Fourth Proportional to 36,310.07, 50,112.17 and 20,394.45

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Solution

The fourth proportional to 36,310.07, 50,112.17 and 20,394.45 is: 28,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.07 : 50,112.17 = 20,394.45 : x
  2. Step 2: Convert to fraction form
    36,310.07/50,112.17 = 20,394.45/x
  3. Step 3: Cross multiply
    36,310.07x = 50,112.17 × 20,394.45
  4. Step 4: Simplify right side
    36,310.07x = 1,022,010,119.96
  5. Step 5: Solve for x
    x = 1,022,010,119.96/36,310.07
  6. Step 6: Final answer
    x = 28,146.74

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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.