Home / 36,137.04-49,871.21-20,221.35

Finding the Fourth Proportional to 36,137.04, 49,871.21 and 20,221.35

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Solution

The fourth proportional to 36,137.04, 49,871.21 and 20,221.35 is: 27,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.04 : 49,871.21 = 20,221.35 : x
  2. Step 2: Convert to fraction form
    36,137.04/49,871.21 = 20,221.35/x
  3. Step 3: Cross multiply
    36,137.04x = 49,871.21 × 20,221.35
  4. Step 4: Simplify right side
    36,137.04x = 1,008,463,091.23
  5. Step 5: Solve for x
    x = 1,008,463,091.23/36,137.04
  6. Step 6: Final answer
    x = 27,906.63

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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.