Home / 49,425.19-74,147.10-19,845.30

Finding the Fourth Proportional to 49,425.19, 74,147.10 and 19,845.30

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Solution

The fourth proportional to 49,425.19, 74,147.10 and 19,845.30 is: 29,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,425.19 : 74,147.10 = 19,845.30 : x
  2. Step 2: Convert to fraction form
    49,425.19/74,147.10 = 19,845.30/x
  3. Step 3: Cross multiply
    49,425.19x = 74,147.10 × 19,845.30
  4. Step 4: Simplify right side
    49,425.19x = 1,471,471,647.26
  5. Step 5: Solve for x
    x = 1,471,471,647.26/49,425.19
  6. Step 6: Final answer
    x = 29,771.70

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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.