Home / 48,982.20-73,451.70-19,390.20

Finding the Fourth Proportional to 48,982.20, 73,451.70 and 19,390.20

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Solution

The fourth proportional to 48,982.20, 73,451.70 and 19,390.20 is: 29,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,982.20 : 73,451.70 = 19,390.20 : x
  2. Step 2: Convert to fraction form
    48,982.20/73,451.70 = 19,390.20/x
  3. Step 3: Cross multiply
    48,982.20x = 73,451.70 × 19,390.20
  4. Step 4: Simplify right side
    48,982.20x = 1,424,243,153.34
  5. Step 5: Solve for x
    x = 1,424,243,153.34/48,982.20
  6. Step 6: Final answer
    x = 29,076.75

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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.