Home / 48,769.76-73,118.28-19,172

Finding the Fourth Proportional to 48,769.76, 73,118.28 and 19,172

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Solution

The fourth proportional to 48,769.76, 73,118.28 and 19,172 is: 28,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.76 : 73,118.28 = 19,172 : x
  2. Step 2: Convert to fraction form
    48,769.76/73,118.28 = 19,172/x
  3. Step 3: Cross multiply
    48,769.76x = 73,118.28 × 19,172
  4. Step 4: Simplify right side
    48,769.76x = 1,401,823,664.16
  5. Step 5: Solve for x
    x = 1,401,823,664.16/48,769.76
  6. Step 6: Final answer
    x = 28,743.71

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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.