Home / 39,863.46-59,765.91-19,101.54

Finding the Fourth Proportional to 39,863.46, 59,765.91 and 19,101.54

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Solution

The fourth proportional to 39,863.46, 59,765.91 and 19,101.54 is: 28,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.46 : 59,765.91 = 19,101.54 : x
  2. Step 2: Convert to fraction form
    39,863.46/59,765.91 = 19,101.54/x
  3. Step 3: Cross multiply
    39,863.46x = 59,765.91 × 19,101.54
  4. Step 4: Simplify right side
    39,863.46x = 1,141,620,920.50
  5. Step 5: Solve for x
    x = 1,141,620,920.50/39,863.46
  6. Step 6: Final answer
    x = 28,638.28

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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.