Home / 36,378.73-54,513.39-20,566.72

Finding the Fourth Proportional to 36,378.73, 54,513.39 and 20,566.72

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Solution

The fourth proportional to 36,378.73, 54,513.39 and 20,566.72 is: 30,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378.73 : 54,513.39 = 20,566.72 : x
  2. Step 2: Convert to fraction form
    36,378.73/54,513.39 = 20,566.72/x
  3. Step 3: Cross multiply
    36,378.73x = 54,513.39 × 20,566.72
  4. Step 4: Simplify right side
    36,378.73x = 1,121,161,628.38
  5. Step 5: Solve for x
    x = 1,121,161,628.38/36,378.73
  6. Step 6: Final answer
    x = 30,819.15

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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.