Home / 36,128.33-49,857.12-20,212.74

Finding the Fourth Proportional to 36,128.33, 49,857.12 and 20,212.74

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Solution

The fourth proportional to 36,128.33, 49,857.12 and 20,212.74 is: 27,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,128.33 : 49,857.12 = 20,212.74 : x
  2. Step 2: Convert to fraction form
    36,128.33/49,857.12 = 20,212.74/x
  3. Step 3: Cross multiply
    36,128.33x = 49,857.12 × 20,212.74
  4. Step 4: Simplify right side
    36,128.33x = 1,007,749,003.71
  5. Step 5: Solve for x
    x = 1,007,749,003.71/36,128.33
  6. Step 6: Final answer
    x = 27,893.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.