Home / 36,322.16-50,119.12-20,403.56

Finding the Fourth Proportional to 36,322.16, 50,119.12 and 20,403.56

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Solution

The fourth proportional to 36,322.16, 50,119.12 and 20,403.56 is: 28,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.16 : 50,119.12 = 20,403.56 : x
  2. Step 2: Convert to fraction form
    36,322.16/50,119.12 = 20,403.56/x
  3. Step 3: Cross multiply
    36,322.16x = 50,119.12 × 20,403.56
  4. Step 4: Simplify right side
    36,322.16x = 1,022,608,472.07
  5. Step 5: Solve for x
    x = 1,022,608,472.07/36,322.16
  6. Step 6: Final answer
    x = 28,153.85

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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.