Home / 49,450.30-74,215.31-25,765.09

Finding the Fourth Proportional to 49,450.30, 74,215.31 and 25,765.09

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Solution

The fourth proportional to 49,450.30, 74,215.31 and 25,765.09 is: 38,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,450.30 : 74,215.31 = 25,765.09 : x
  2. Step 2: Convert to fraction form
    49,450.30/74,215.31 = 25,765.09/x
  3. Step 3: Cross multiply
    49,450.30x = 74,215.31 × 25,765.09
  4. Step 4: Simplify right side
    49,450.30x = 1,912,163,827.16
  5. Step 5: Solve for x
    x = 1,912,163,827.16/49,450.30
  6. Step 6: Final answer
    x = 38,668.40

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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.