Home / 36,049.21-49,741.85-20,133.72

Finding the Fourth Proportional to 36,049.21, 49,741.85 and 20,133.72

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Solution

The fourth proportional to 36,049.21, 49,741.85 and 20,133.72 is: 27,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.21 : 49,741.85 = 20,133.72 : x
  2. Step 2: Convert to fraction form
    36,049.21/49,741.85 = 20,133.72/x
  3. Step 3: Cross multiply
    36,049.21x = 49,741.85 × 20,133.72
  4. Step 4: Simplify right side
    36,049.21x = 1,001,488,530.52
  5. Step 5: Solve for x
    x = 1,001,488,530.52/36,049.21
  6. Step 6: Final answer
    x = 27,781.15

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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.