Home / 36,327.36-50,131.92-20,417.28

Finding the Fourth Proportional to 36,327.36, 50,131.92 and 20,417.28

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Solution

The fourth proportional to 36,327.36, 50,131.92 and 20,417.28 is: 28,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,327.36 : 50,131.92 = 20,417.28 : x
  2. Step 2: Convert to fraction form
    36,327.36/50,131.92 = 20,417.28/x
  3. Step 3: Cross multiply
    36,327.36x = 50,131.92 × 20,417.28
  4. Step 4: Simplify right side
    36,327.36x = 1,023,557,447.58
  5. Step 5: Solve for x
    x = 1,023,557,447.58/36,327.36
  6. Step 6: Final answer
    x = 28,175.94

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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.