Home / 33,221.30-49,855.31-30,045.11

Finding the Fourth Proportional to 33,221.30, 49,855.31 and 30,045.11

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Solution

The fourth proportional to 33,221.30, 49,855.31 and 30,045.11 is: 45,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.30 : 49,855.31 = 30,045.11 : x
  2. Step 2: Convert to fraction form
    33,221.30/49,855.31 = 30,045.11/x
  3. Step 3: Cross multiply
    33,221.30x = 49,855.31 × 30,045.11
  4. Step 4: Simplify right side
    33,221.30x = 1,497,908,455.84
  5. Step 5: Solve for x
    x = 1,497,908,455.84/33,221.30
  6. Step 6: Final answer
    x = 45,088.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.