Home / 36,691.70-50,634.57-20,776.17

Finding the Fourth Proportional to 36,691.70, 50,634.57 and 20,776.17

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Solution

The fourth proportional to 36,691.70, 50,634.57 and 20,776.17 is: 28,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.70 : 50,634.57 = 20,776.17 : x
  2. Step 2: Convert to fraction form
    36,691.70/50,634.57 = 20,776.17/x
  3. Step 3: Cross multiply
    36,691.70x = 50,634.57 × 20,776.17
  4. Step 4: Simplify right side
    36,691.70x = 1,051,992,434.20
  5. Step 5: Solve for x
    x = 1,051,992,434.20/36,691.70
  6. Step 6: Final answer
    x = 28,671.13

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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.