Home / 36,452.35-54,678.53-20,858.95

Finding the Fourth Proportional to 36,452.35, 54,678.53 and 20,858.95

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Solution

The fourth proportional to 36,452.35, 54,678.53 and 20,858.95 is: 31,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,452.35 : 54,678.53 = 20,858.95 : x
  2. Step 2: Convert to fraction form
    36,452.35/54,678.53 = 20,858.95/x
  3. Step 3: Cross multiply
    36,452.35x = 54,678.53 × 20,858.95
  4. Step 4: Simplify right side
    36,452.35x = 1,140,536,619.05
  5. Step 5: Solve for x
    x = 1,140,536,619.05/36,452.35
  6. Step 6: Final answer
    x = 31,288.43

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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.