Home / 37,189.38-55,772.22-12,223.65

Finding the Fourth Proportional to 37,189.38, 55,772.22 and 12,223.65

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Solution

The fourth proportional to 37,189.38, 55,772.22 and 12,223.65 is: 18,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.38 : 55,772.22 = 12,223.65 : x
  2. Step 2: Convert to fraction form
    37,189.38/55,772.22 = 12,223.65/x
  3. Step 3: Cross multiply
    37,189.38x = 55,772.22 × 12,223.65
  4. Step 4: Simplify right side
    37,189.38x = 681,740,097.00
  5. Step 5: Solve for x
    x = 681,740,097.00/37,189.38
  6. Step 6: Final answer
    x = 18,331.58

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1.5x scale

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.