Home / 39,087.87-58,638.03-14,125.39

Finding the Fourth Proportional to 39,087.87, 58,638.03 and 14,125.39

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Solution

The fourth proportional to 39,087.87, 58,638.03 and 14,125.39 is: 21,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.87 : 58,638.03 = 14,125.39 : x
  2. Step 2: Convert to fraction form
    39,087.87/58,638.03 = 14,125.39/x
  3. Step 3: Cross multiply
    39,087.87x = 58,638.03 × 14,125.39
  4. Step 4: Simplify right side
    39,087.87x = 828,284,843.02
  5. Step 5: Solve for x
    x = 828,284,843.02/39,087.87
  6. Step 6: Final answer
    x = 21,190.33

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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.