Home / 37,143.99-55,725.21-18,432.81

Finding the Fourth Proportional to 37,143.99, 55,725.21 and 18,432.81

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Solution

The fourth proportional to 37,143.99, 55,725.21 and 18,432.81 is: 27,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.99 : 55,725.21 = 18,432.81 : x
  2. Step 2: Convert to fraction form
    37,143.99/55,725.21 = 18,432.81/x
  3. Step 3: Cross multiply
    37,143.99x = 55,725.21 × 18,432.81
  4. Step 4: Simplify right side
    37,143.99x = 1,027,172,208.14
  5. Step 5: Solve for x
    x = 1,027,172,208.14/37,143.99
  6. Step 6: Final answer
    x = 27,653.79

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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.