Home / 36,350.91-54,534.54-12,659.55

Finding the Fourth Proportional to 36,350.91, 54,534.54 and 12,659.55

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Solution

The fourth proportional to 36,350.91, 54,534.54 and 12,659.55 is: 18,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,350.91 : 54,534.54 = 12,659.55 : x
  2. Step 2: Convert to fraction form
    36,350.91/54,534.54 = 12,659.55/x
  3. Step 3: Cross multiply
    36,350.91x = 54,534.54 × 12,659.55
  4. Step 4: Simplify right side
    36,350.91x = 690,382,735.86
  5. Step 5: Solve for x
    x = 690,382,735.86/36,350.91
  6. Step 6: Final answer
    x = 18,992.17

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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.