Home / 37,287.86-55,923.68-12,321.99

Finding the Fourth Proportional to 37,287.86, 55,923.68 and 12,321.99

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Solution

The fourth proportional to 37,287.86, 55,923.68 and 12,321.99 is: 18,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.86 : 55,923.68 = 12,321.99 : x
  2. Step 2: Convert to fraction form
    37,287.86/55,923.68 = 12,321.99/x
  3. Step 3: Cross multiply
    37,287.86x = 55,923.68 × 12,321.99
  4. Step 4: Simplify right side
    37,287.86x = 689,091,056.53
  5. Step 5: Solve for x
    x = 689,091,056.53/37,287.86
  6. Step 6: Final answer
    x = 18,480.31

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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.