Home / 57,633.53-79,540.38-33,780.24

Finding the Fourth Proportional to 57,633.53, 79,540.38 and 33,780.24

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Solution

The fourth proportional to 57,633.53, 79,540.38 and 33,780.24 is: 46,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.53 : 79,540.38 = 33,780.24 : x
  2. Step 2: Convert to fraction form
    57,633.53/79,540.38 = 33,780.24/x
  3. Step 3: Cross multiply
    57,633.53x = 79,540.38 × 33,780.24
  4. Step 4: Simplify right side
    57,633.53x = 2,686,893,126.09
  5. Step 5: Solve for x
    x = 2,686,893,126.09/57,633.53
  6. Step 6: Final answer
    x = 46,620.32

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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.