Home / 36,535.77-54,770.75-13,145.75

Finding the Fourth Proportional to 36,535.77, 54,770.75 and 13,145.75

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Solution

The fourth proportional to 36,535.77, 54,770.75 and 13,145.75 is: 19,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,535.77 : 54,770.75 = 13,145.75 : x
  2. Step 2: Convert to fraction form
    36,535.77/54,770.75 = 13,145.75/x
  3. Step 3: Cross multiply
    36,535.77x = 54,770.75 × 13,145.75
  4. Step 4: Simplify right side
    36,535.77x = 720,002,521.08
  5. Step 5: Solve for x
    x = 720,002,521.08/36,535.77
  6. Step 6: Final answer
    x = 19,706.78

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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.