Home / 35,774.09-49,372.79-21,626.90

Finding the Fourth Proportional to 35,774.09, 49,372.79 and 21,626.90

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Solution

The fourth proportional to 35,774.09, 49,372.79 and 21,626.90 is: 29,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.09 : 49,372.79 = 21,626.90 : x
  2. Step 2: Convert to fraction form
    35,774.09/49,372.79 = 21,626.90/x
  3. Step 3: Cross multiply
    35,774.09x = 49,372.79 × 21,626.90
  4. Step 4: Simplify right side
    35,774.09x = 1,067,780,037.05
  5. Step 5: Solve for x
    x = 1,067,780,037.05/35,774.09
  6. Step 6: Final answer
    x = 29,847.86

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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.