Home / 36,961.65-55,430.86-11,995.94

Finding the Fourth Proportional to 36,961.65, 55,430.86 and 11,995.94

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Solution

The fourth proportional to 36,961.65, 55,430.86 and 11,995.94 is: 17,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,961.65 : 55,430.86 = 11,995.94 : x
  2. Step 2: Convert to fraction form
    36,961.65/55,430.86 = 11,995.94/x
  3. Step 3: Cross multiply
    36,961.65x = 55,430.86 × 11,995.94
  4. Step 4: Simplify right side
    36,961.65x = 664,945,270.71
  5. Step 5: Solve for x
    x = 664,945,270.71/36,961.65
  6. Step 6: Final answer
    x = 17,990.14

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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.