Home / 49,630.10-74,419.55-18,449.30

Finding the Fourth Proportional to 49,630.10, 74,419.55 and 18,449.30

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Solution

The fourth proportional to 49,630.10, 74,419.55 and 18,449.30 is: 27,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630.10 : 74,419.55 = 18,449.30 : x
  2. Step 2: Convert to fraction form
    49,630.10/74,419.55 = 18,449.30/x
  3. Step 3: Cross multiply
    49,630.10x = 74,419.55 × 18,449.30
  4. Step 4: Simplify right side
    49,630.10x = 1,372,988,603.82
  5. Step 5: Solve for x
    x = 1,372,988,603.82/49,630.10
  6. Step 6: Final answer
    x = 27,664.43

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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.