Home / 41,101.72-61,654.28-13,021.15

Finding the Fourth Proportional to 41,101.72, 61,654.28 and 13,021.15

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Solution

The fourth proportional to 41,101.72, 61,654.28 and 13,021.15 is: 19,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,101.72 : 61,654.28 = 13,021.15 : x
  2. Step 2: Convert to fraction form
    41,101.72/61,654.28 = 13,021.15/x
  3. Step 3: Cross multiply
    41,101.72x = 61,654.28 × 13,021.15
  4. Step 4: Simplify right side
    41,101.72x = 802,809,319.75
  5. Step 5: Solve for x
    x = 802,809,319.75/41,101.72
  6. Step 6: Final answer
    x = 19,532.26

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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.