Home / 48,828.70-73,221.18-19,231.30

Finding the Fourth Proportional to 48,828.70, 73,221.18 and 19,231.30

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Solution

The fourth proportional to 48,828.70, 73,221.18 and 19,231.30 is: 28,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.70 : 73,221.18 = 19,231.30 : x
  2. Step 2: Convert to fraction form
    48,828.70/73,221.18 = 19,231.30/x
  3. Step 3: Cross multiply
    48,828.70x = 73,221.18 × 19,231.30
  4. Step 4: Simplify right side
    48,828.70x = 1,408,138,478.93
  5. Step 5: Solve for x
    x = 1,408,138,478.93/48,828.70
  6. Step 6: Final answer
    x = 28,838.34

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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.