Home / 36,111.96-49,836.60-20,196

Finding the Fourth Proportional to 36,111.96, 49,836.60 and 20,196

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Solution

The fourth proportional to 36,111.96, 49,836.60 and 20,196 is: 27,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.96 : 49,836.60 = 20,196 : x
  2. Step 2: Convert to fraction form
    36,111.96/49,836.60 = 20,196/x
  3. Step 3: Cross multiply
    36,111.96x = 49,836.60 × 20,196
  4. Step 4: Simplify right side
    36,111.96x = 1,006,499,973.60
  5. Step 5: Solve for x
    x = 1,006,499,973.60/36,111.96
  6. Step 6: Final answer
    x = 27,871.65

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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.