Home / 36,953.38-55,415.69-11,987.39

Finding the Fourth Proportional to 36,953.38, 55,415.69 and 11,987.39

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Solution

The fourth proportional to 36,953.38, 55,415.69 and 11,987.39 is: 17,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,953.38 : 55,415.69 = 11,987.39 : x
  2. Step 2: Convert to fraction form
    36,953.38/55,415.69 = 11,987.39/x
  3. Step 3: Cross multiply
    36,953.38x = 55,415.69 × 11,987.39
  4. Step 4: Simplify right side
    36,953.38x = 664,289,428.21
  5. Step 5: Solve for x
    x = 664,289,428.21/36,953.38
  6. Step 6: Final answer
    x = 17,976.42

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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.