Home / 36,317.41-50,112.57-20,398.81

Finding the Fourth Proportional to 36,317.41, 50,112.57 and 20,398.81

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Solution

The fourth proportional to 36,317.41, 50,112.57 and 20,398.81 is: 28,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.41 : 50,112.57 = 20,398.81 : x
  2. Step 2: Convert to fraction form
    36,317.41/50,112.57 = 20,398.81/x
  3. Step 3: Cross multiply
    36,317.41x = 50,112.57 × 20,398.81
  4. Step 4: Simplify right side
    36,317.41x = 1,022,236,794.04
  5. Step 5: Solve for x
    x = 1,022,236,794.04/36,317.41
  6. Step 6: Final answer
    x = 28,147.29

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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.