Home / 36,328.77-50,134.82-20,412.81

Finding the Fourth Proportional to 36,328.77, 50,134.82 and 20,412.81

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Solution

The fourth proportional to 36,328.77, 50,134.82 and 20,412.81 is: 28,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328.77 : 50,134.82 = 20,412.81 : x
  2. Step 2: Convert to fraction form
    36,328.77/50,134.82 = 20,412.81/x
  3. Step 3: Cross multiply
    36,328.77x = 50,134.82 × 20,412.81
  4. Step 4: Simplify right side
    36,328.77x = 1,023,392,452.98
  5. Step 5: Solve for x
    x = 1,023,392,452.98/36,328.77
  6. Step 6: Final answer
    x = 28,170.30

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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.