Home / 36,134.31-49,865.36-20,221.84

Finding the Fourth Proportional to 36,134.31, 49,865.36 and 20,221.84

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Solution

The fourth proportional to 36,134.31, 49,865.36 and 20,221.84 is: 27,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.31 : 49,865.36 = 20,221.84 : x
  2. Step 2: Convert to fraction form
    36,134.31/49,865.36 = 20,221.84/x
  3. Step 3: Cross multiply
    36,134.31x = 49,865.36 × 20,221.84
  4. Step 4: Simplify right side
    36,134.31x = 1,008,369,331.46
  5. Step 5: Solve for x
    x = 1,008,369,331.46/36,134.31
  6. Step 6: Final answer
    x = 27,906.15

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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.