Home / 48,180.74-72,291.78-18,619.34

Finding the Fourth Proportional to 48,180.74, 72,291.78 and 18,619.34

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Solution

The fourth proportional to 48,180.74, 72,291.78 and 18,619.34 is: 27,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,180.74 : 72,291.78 = 18,619.34 : x
  2. Step 2: Convert to fraction form
    48,180.74/72,291.78 = 18,619.34/x
  3. Step 3: Cross multiply
    48,180.74x = 72,291.78 × 18,619.34
  4. Step 4: Simplify right side
    48,180.74x = 1,346,024,869.57
  5. Step 5: Solve for x
    x = 1,346,024,869.57/48,180.74
  6. Step 6: Final answer
    x = 27,936.99

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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.