Home / 36,221.76-49,911.12-29,119.68

Finding the Fourth Proportional to 36,221.76, 49,911.12 and 29,119.68

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Solution

The fourth proportional to 36,221.76, 49,911.12 and 29,119.68 is: 40,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.76 : 49,911.12 = 29,119.68 : x
  2. Step 2: Convert to fraction form
    36,221.76/49,911.12 = 29,119.68/x
  3. Step 3: Cross multiply
    36,221.76x = 49,911.12 × 29,119.68
  4. Step 4: Simplify right side
    36,221.76x = 1,453,395,842.84
  5. Step 5: Solve for x
    x = 1,453,395,842.84/36,221.76
  6. Step 6: Final answer
    x = 40,124.94

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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.