Home / 36,451.35-54,677.03-20,857.95

Finding the Fourth Proportional to 36,451.35, 54,677.03 and 20,857.95

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Solution

The fourth proportional to 36,451.35, 54,677.03 and 20,857.95 is: 31,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,451.35 : 54,677.03 = 20,857.95 : x
  2. Step 2: Convert to fraction form
    36,451.35/54,677.03 = 20,857.95/x
  3. Step 3: Cross multiply
    36,451.35x = 54,677.03 × 20,857.95
  4. Step 4: Simplify right side
    36,451.35x = 1,140,450,653.60
  5. Step 5: Solve for x
    x = 1,140,450,653.60/36,451.35
  6. Step 6: Final answer
    x = 31,286.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.