Home / 29,195.60-43,633.43-21,314.72

Finding the Fourth Proportional to 29,195.60, 43,633.43 and 21,314.72

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Solution

The fourth proportional to 29,195.60, 43,633.43 and 21,314.72 is: 31,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,195.60 : 43,633.43 = 21,314.72 : x
  2. Step 2: Convert to fraction form
    29,195.60/43,633.43 = 21,314.72/x
  3. Step 3: Cross multiply
    29,195.60x = 43,633.43 × 21,314.72
  4. Step 4: Simplify right side
    29,195.60x = 930,034,343.09
  5. Step 5: Solve for x
    x = 930,034,343.09/29,195.60
  6. Step 6: Final answer
    x = 31,855.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.