Home / 49,338.60-74,046.78-18,195.72

Finding the Fourth Proportional to 49,338.60, 74,046.78 and 18,195.72

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Solution

The fourth proportional to 49,338.60, 74,046.78 and 18,195.72 is: 27,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,338.60 : 74,046.78 = 18,195.72 : x
  2. Step 2: Convert to fraction form
    49,338.60/74,046.78 = 18,195.72/x
  3. Step 3: Cross multiply
    49,338.60x = 74,046.78 × 18,195.72
  4. Step 4: Simplify right side
    49,338.60x = 1,347,334,475.78
  5. Step 5: Solve for x
    x = 1,347,334,475.78/49,338.60
  6. Step 6: Final answer
    x = 27,307.92

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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.