Home / 38,982.37-58,423.84-18,996.63

Finding the Fourth Proportional to 38,982.37, 58,423.84 and 18,996.63

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Solution

The fourth proportional to 38,982.37, 58,423.84 and 18,996.63 is: 28,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.37 : 58,423.84 = 18,996.63 : x
  2. Step 2: Convert to fraction form
    38,982.37/58,423.84 = 18,996.63/x
  3. Step 3: Cross multiply
    38,982.37x = 58,423.84 × 18,996.63
  4. Step 4: Simplify right side
    38,982.37x = 1,109,856,217.72
  5. Step 5: Solve for x
    x = 1,109,856,217.72/38,982.37
  6. Step 6: Final answer
    x = 28,470.72

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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.