Home / 31,628.76-43,646.49-17,481.30

Finding the Fourth Proportional to 31,628.76, 43,646.49 and 17,481.30

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Solution

The fourth proportional to 31,628.76, 43,646.49 and 17,481.30 is: 24,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.76 : 43,646.49 = 17,481.30 : x
  2. Step 2: Convert to fraction form
    31,628.76/43,646.49 = 17,481.30/x
  3. Step 3: Cross multiply
    31,628.76x = 43,646.49 × 17,481.30
  4. Step 4: Simplify right side
    31,628.76x = 762,997,385.64
  5. Step 5: Solve for x
    x = 762,997,385.64/31,628.76
  6. Step 6: Final answer
    x = 24,123.53

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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.