Home / 39,379.74-59,003.85-27,672

Finding the Fourth Proportional to 39,379.74, 59,003.85 and 27,672

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Solution

The fourth proportional to 39,379.74, 59,003.85 and 27,672 is: 41,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.74 : 59,003.85 = 27,672 : x
  2. Step 2: Convert to fraction form
    39,379.74/59,003.85 = 27,672/x
  3. Step 3: Cross multiply
    39,379.74x = 59,003.85 × 27,672
  4. Step 4: Simplify right side
    39,379.74x = 1,632,754,537.20
  5. Step 5: Solve for x
    x = 1,632,754,537.20/39,379.74
  6. Step 6: Final answer
    x = 41,461.79

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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.