Home / 34,229.78-47,235.40-19,119.43

Finding the Fourth Proportional to 34,229.78, 47,235.40 and 19,119.43

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Solution

The fourth proportional to 34,229.78, 47,235.40 and 19,119.43 is: 26,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,229.78 : 47,235.40 = 19,119.43 : x
  2. Step 2: Convert to fraction form
    34,229.78/47,235.40 = 19,119.43/x
  3. Step 3: Cross multiply
    34,229.78x = 47,235.40 × 19,119.43
  4. Step 4: Simplify right side
    34,229.78x = 903,113,592.05
  5. Step 5: Solve for x
    x = 903,113,592.05/34,229.78
  6. Step 6: Final answer
    x = 26,383.86

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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.