Home / 34,633.44-47,796.48-20,489.76

Finding the Fourth Proportional to 34,633.44, 47,796.48 and 20,489.76

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Solution

The fourth proportional to 34,633.44, 47,796.48 and 20,489.76 is: 28,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,633.44 : 47,796.48 = 20,489.76 : x
  2. Step 2: Convert to fraction form
    34,633.44/47,796.48 = 20,489.76/x
  3. Step 3: Cross multiply
    34,633.44x = 47,796.48 × 20,489.76
  4. Step 4: Simplify right side
    34,633.44x = 979,338,404.04
  5. Step 5: Solve for x
    x = 979,338,404.04/34,633.44
  6. Step 6: Final answer
    x = 28,277.25

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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.