Home / 36,681.82-55,022.73-19,147.55

Finding the Fourth Proportional to 36,681.82, 55,022.73 and 19,147.55

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Solution

The fourth proportional to 36,681.82, 55,022.73 and 19,147.55 is: 28,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.82 : 55,022.73 = 19,147.55 : x
  2. Step 2: Convert to fraction form
    36,681.82/55,022.73 = 19,147.55/x
  3. Step 3: Cross multiply
    36,681.82x = 55,022.73 × 19,147.55
  4. Step 4: Simplify right side
    36,681.82x = 1,053,550,198.70
  5. Step 5: Solve for x
    x = 1,053,550,198.70/36,681.82
  6. Step 6: Final answer
    x = 28,721.32

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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.