Home / 34,723.88-47,918.78-19,410.42

Finding the Fourth Proportional to 34,723.88, 47,918.78 and 19,410.42

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Solution

The fourth proportional to 34,723.88, 47,918.78 and 19,410.42 is: 26,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.88 : 47,918.78 = 19,410.42 : x
  2. Step 2: Convert to fraction form
    34,723.88/47,918.78 = 19,410.42/x
  3. Step 3: Cross multiply
    34,723.88x = 47,918.78 × 19,410.42
  4. Step 4: Simplify right side
    34,723.88x = 930,123,873.91
  5. Step 5: Solve for x
    x = 930,123,873.91/34,723.88
  6. Step 6: Final answer
    x = 26,786.29

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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.