Home / 40,627.06-60,961.09-18,426.28

Finding the Fourth Proportional to 40,627.06, 60,961.09 and 18,426.28

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Solution

The fourth proportional to 40,627.06, 60,961.09 and 18,426.28 is: 27,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,627.06 : 60,961.09 = 18,426.28 : x
  2. Step 2: Convert to fraction form
    40,627.06/60,961.09 = 18,426.28/x
  3. Step 3: Cross multiply
    40,627.06x = 60,961.09 × 18,426.28
  4. Step 4: Simplify right side
    40,627.06x = 1,123,285,808.64
  5. Step 5: Solve for x
    x = 1,123,285,808.64/40,627.06
  6. Step 6: Final answer
    x = 27,648.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.