Home / 48,889.24-67,463.76-28,747

Finding the Fourth Proportional to 48,889.24, 67,463.76 and 28,747

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Solution

The fourth proportional to 48,889.24, 67,463.76 and 28,747 is: 39,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,889.24 : 67,463.76 = 28,747 : x
  2. Step 2: Convert to fraction form
    48,889.24/67,463.76 = 28,747/x
  3. Step 3: Cross multiply
    48,889.24x = 67,463.76 × 28,747
  4. Step 4: Simplify right side
    48,889.24x = 1,939,380,708.72
  5. Step 5: Solve for x
    x = 1,939,380,708.72/48,889.24
  6. Step 6: Final answer
    x = 39,668.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.