Home / 36,699.62-50,644.50-20,785.58

Finding the Fourth Proportional to 36,699.62, 50,644.50 and 20,785.58

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Solution

The fourth proportional to 36,699.62, 50,644.50 and 20,785.58 is: 28,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.62 : 50,644.50 = 20,785.58 : x
  2. Step 2: Convert to fraction form
    36,699.62/50,644.50 = 20,785.58/x
  3. Step 3: Cross multiply
    36,699.62x = 50,644.50 × 20,785.58
  4. Step 4: Simplify right side
    36,699.62x = 1,052,675,306.31
  5. Step 5: Solve for x
    x = 1,052,675,306.31/36,699.62
  6. Step 6: Final answer
    x = 28,683.55

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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.