Home / 37,112.92-55,675.14-12,487

Finding the Fourth Proportional to 37,112.92, 55,675.14 and 12,487

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Solution

The fourth proportional to 37,112.92, 55,675.14 and 12,487 is: 18,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.92 : 55,675.14 = 12,487 : x
  2. Step 2: Convert to fraction form
    37,112.92/55,675.14 = 12,487/x
  3. Step 3: Cross multiply
    37,112.92x = 55,675.14 × 12,487
  4. Step 4: Simplify right side
    37,112.92x = 695,215,473.18
  5. Step 5: Solve for x
    x = 695,215,473.18/37,112.92
  6. Step 6: Final answer
    x = 18,732.44

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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.