Home / 36,129.14-49,860.15-20,212.64

Finding the Fourth Proportional to 36,129.14, 49,860.15 and 20,212.64

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Solution

The fourth proportional to 36,129.14, 49,860.15 and 20,212.64 is: 27,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.14 : 49,860.15 = 20,212.64 : x
  2. Step 2: Convert to fraction form
    36,129.14/49,860.15 = 20,212.64/x
  3. Step 3: Cross multiply
    36,129.14x = 49,860.15 × 20,212.64
  4. Step 4: Simplify right side
    36,129.14x = 1,007,805,262.30
  5. Step 5: Solve for x
    x = 1,007,805,262.30/36,129.14
  6. Step 6: Final answer
    x = 27,894.53

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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.