Home / 39,910.85-59,853.51-13,619.46

Finding the Fourth Proportional to 39,910.85, 59,853.51 and 13,619.46

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Solution

The fourth proportional to 39,910.85, 59,853.51 and 13,619.46 is: 20,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.85 : 59,853.51 = 13,619.46 : x
  2. Step 2: Convert to fraction form
    39,910.85/59,853.51 = 13,619.46/x
  3. Step 3: Cross multiply
    39,910.85x = 59,853.51 × 13,619.46
  4. Step 4: Simplify right side
    39,910.85x = 815,172,485.30
  5. Step 5: Solve for x
    x = 815,172,485.30/39,910.85
  6. Step 6: Final answer
    x = 20,424.83

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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.