Home / 36,008.37-49,691.52-20,909.88

Finding the Fourth Proportional to 36,008.37, 49,691.52 and 20,909.88

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Solution

The fourth proportional to 36,008.37, 49,691.52 and 20,909.88 is: 28,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.37 : 49,691.52 = 20,909.88 : x
  2. Step 2: Convert to fraction form
    36,008.37/49,691.52 = 20,909.88/x
  3. Step 3: Cross multiply
    36,008.37x = 49,691.52 × 20,909.88
  4. Step 4: Simplify right side
    36,008.37x = 1,039,043,720.22
  5. Step 5: Solve for x
    x = 1,039,043,720.22/36,008.37
  6. Step 6: Final answer
    x = 28,855.62

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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.