Home / 34,103.12-47,062.39-19,765.73

Finding the Fourth Proportional to 34,103.12, 47,062.39 and 19,765.73

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Solution

The fourth proportional to 34,103.12, 47,062.39 and 19,765.73 is: 27,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,103.12 : 47,062.39 = 19,765.73 : x
  2. Step 2: Convert to fraction form
    34,103.12/47,062.39 = 19,765.73/x
  3. Step 3: Cross multiply
    34,103.12x = 47,062.39 × 19,765.73
  4. Step 4: Simplify right side
    34,103.12x = 930,222,209.17
  5. Step 5: Solve for x
    x = 930,222,209.17/34,103.12
  6. Step 6: Final answer
    x = 27,276.75

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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.