Home / 41,101.21-61,653.53-13,020.65

Finding the Fourth Proportional to 41,101.21, 61,653.53 and 13,020.65

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Solution

The fourth proportional to 41,101.21, 61,653.53 and 13,020.65 is: 19,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,101.21 : 61,653.53 = 13,020.65 : x
  2. Step 2: Convert to fraction form
    41,101.21/61,653.53 = 13,020.65/x
  3. Step 3: Cross multiply
    41,101.21x = 61,653.53 × 13,020.65
  4. Step 4: Simplify right side
    41,101.21x = 802,768,748.10
  5. Step 5: Solve for x
    x = 802,768,748.10/41,101.21
  6. Step 6: Final answer
    x = 19,531.51

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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.