Home / 36,911.33-55,371.57-13,221.42

Finding the Fourth Proportional to 36,911.33, 55,371.57 and 13,221.42

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Solution

The fourth proportional to 36,911.33, 55,371.57 and 13,221.42 is: 19,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911.33 : 55,371.57 = 13,221.42 : x
  2. Step 2: Convert to fraction form
    36,911.33/55,371.57 = 13,221.42/x
  3. Step 3: Cross multiply
    36,911.33x = 55,371.57 × 13,221.42
  4. Step 4: Simplify right side
    36,911.33x = 732,090,733.45
  5. Step 5: Solve for x
    x = 732,090,733.45/36,911.33
  6. Step 6: Final answer
    x = 19,833.77

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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.