Home / 36,304.21-50,099.51-20,388.32

Finding the Fourth Proportional to 36,304.21, 50,099.51 and 20,388.32

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Solution

The fourth proportional to 36,304.21, 50,099.51 and 20,388.32 is: 28,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.21 : 50,099.51 = 20,388.32 : x
  2. Step 2: Convert to fraction form
    36,304.21/50,099.51 = 20,388.32/x
  3. Step 3: Cross multiply
    36,304.21x = 50,099.51 × 20,388.32
  4. Step 4: Simplify right side
    36,304.21x = 1,021,444,841.72
  5. Step 5: Solve for x
    x = 1,021,444,841.72/36,304.21
  6. Step 6: Final answer
    x = 28,135.71

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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.