Home / 37,279.86-55,929.54-13,906.50

Finding the Fourth Proportional to 37,279.86, 55,929.54 and 13,906.50

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Solution

The fourth proportional to 37,279.86, 55,929.54 and 13,906.50 is: 20,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.86 : 55,929.54 = 13,906.50 : x
  2. Step 2: Convert to fraction form
    37,279.86/55,929.54 = 13,906.50/x
  3. Step 3: Cross multiply
    37,279.86x = 55,929.54 × 13,906.50
  4. Step 4: Simplify right side
    37,279.86x = 777,784,148.01
  5. Step 5: Solve for x
    x = 777,784,148.01/37,279.86
  6. Step 6: Final answer
    x = 20,863.39

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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.