Home / 37,132.62-51,262.92-28,678.50

Finding the Fourth Proportional to 37,132.62, 51,262.92 and 28,678.50

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Solution

The fourth proportional to 37,132.62, 51,262.92 and 28,678.50 is: 39,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,132.62 : 51,262.92 = 28,678.50 : x
  2. Step 2: Convert to fraction form
    37,132.62/51,262.92 = 28,678.50/x
  3. Step 3: Cross multiply
    37,132.62x = 51,262.92 × 28,678.50
  4. Step 4: Simplify right side
    37,132.62x = 1,470,143,651.22
  5. Step 5: Solve for x
    x = 1,470,143,651.22/37,132.62
  6. Step 6: Final answer
    x = 39,591.70

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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.