Home / 36,322.12-50,118.90-20,403.52

Finding the Fourth Proportional to 36,322.12, 50,118.90 and 20,403.52

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Solution

The fourth proportional to 36,322.12, 50,118.90 and 20,403.52 is: 28,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,322.12 : 50,118.90 = 20,403.52 : x
  2. Step 2: Convert to fraction form
    36,322.12/50,118.90 = 20,403.52/x
  3. Step 3: Cross multiply
    36,322.12x = 50,118.90 × 20,403.52
  4. Step 4: Simplify right side
    36,322.12x = 1,022,601,978.53
  5. Step 5: Solve for x
    x = 1,022,601,978.53/36,322.12
  6. Step 6: Final answer
    x = 28,153.70

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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.