Home / 36,137.29-49,871.55-20,221.60

Finding the Fourth Proportional to 36,137.29, 49,871.55 and 20,221.60

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Solution

The fourth proportional to 36,137.29, 49,871.55 and 20,221.60 is: 27,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.29 : 49,871.55 = 20,221.60 : x
  2. Step 2: Convert to fraction form
    36,137.29/49,871.55 = 20,221.60/x
  3. Step 3: Cross multiply
    36,137.29x = 49,871.55 × 20,221.60
  4. Step 4: Simplify right side
    36,137.29x = 1,008,482,535.48
  5. Step 5: Solve for x
    x = 1,008,482,535.48/36,137.29
  6. Step 6: Final answer
    x = 27,906.98

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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.