Home / 39,166.80-58,750.32-12,873.60

Finding the Fourth Proportional to 39,166.80, 58,750.32 and 12,873.60

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Solution

The fourth proportional to 39,166.80, 58,750.32 and 12,873.60 is: 19,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.80 : 58,750.32 = 12,873.60 : x
  2. Step 2: Convert to fraction form
    39,166.80/58,750.32 = 12,873.60/x
  3. Step 3: Cross multiply
    39,166.80x = 58,750.32 × 12,873.60
  4. Step 4: Simplify right side
    39,166.80x = 756,328,119.55
  5. Step 5: Solve for x
    x = 756,328,119.55/39,166.80
  6. Step 6: Final answer
    x = 19,310.44

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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.