Home / 37,289.71-55,943.31-12,329.74

Finding the Fourth Proportional to 37,289.71, 55,943.31 and 12,329.74

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Solution

The fourth proportional to 37,289.71, 55,943.31 and 12,329.74 is: 18,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,289.71 : 55,943.31 = 12,329.74 : x
  2. Step 2: Convert to fraction form
    37,289.71/55,943.31 = 12,329.74/x
  3. Step 3: Cross multiply
    37,289.71x = 55,943.31 × 12,329.74
  4. Step 4: Simplify right side
    37,289.71x = 689,766,467.04
  5. Step 5: Solve for x
    x = 689,766,467.04/37,289.71
  6. Step 6: Final answer
    x = 18,497.50

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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.