Home / 41,001.12-61,503.30-11,421.54

Finding the Fourth Proportional to 41,001.12, 61,503.30 and 11,421.54

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Solution

The fourth proportional to 41,001.12, 61,503.30 and 11,421.54 is: 17,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,001.12 : 61,503.30 = 11,421.54 : x
  2. Step 2: Convert to fraction form
    41,001.12/61,503.30 = 11,421.54/x
  3. Step 3: Cross multiply
    41,001.12x = 61,503.30 × 11,421.54
  4. Step 4: Simplify right side
    41,001.12x = 702,462,401.08
  5. Step 5: Solve for x
    x = 702,462,401.08/41,001.12
  6. Step 6: Final answer
    x = 17,132.76

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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.