Home / 29,805.63-41,149.80-19,742.64

Finding the Fourth Proportional to 29,805.63, 41,149.80 and 19,742.64

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Solution

The fourth proportional to 29,805.63, 41,149.80 and 19,742.64 is: 27,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.63 : 41,149.80 = 19,742.64 : x
  2. Step 2: Convert to fraction form
    29,805.63/41,149.80 = 19,742.64/x
  3. Step 3: Cross multiply
    29,805.63x = 41,149.80 × 19,742.64
  4. Step 4: Simplify right side
    29,805.63x = 812,405,687.47
  5. Step 5: Solve for x
    x = 812,405,687.47/29,805.63
  6. Step 6: Final answer
    x = 27,256.79

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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.