Home / 36,947.66-55,429.17-11,988.18

Finding the Fourth Proportional to 36,947.66, 55,429.17 and 11,988.18

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Solution

The fourth proportional to 36,947.66, 55,429.17 and 11,988.18 is: 17,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.66 : 55,429.17 = 11,988.18 : x
  2. Step 2: Convert to fraction form
    36,947.66/55,429.17 = 11,988.18/x
  3. Step 3: Cross multiply
    36,947.66x = 55,429.17 × 11,988.18
  4. Step 4: Simplify right side
    36,947.66x = 664,494,750.65
  5. Step 5: Solve for x
    x = 664,494,750.65/36,947.66
  6. Step 6: Final answer
    x = 17,984.76

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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.