Home / 35,820.65-49,431.11-19,906.04

Finding the Fourth Proportional to 35,820.65, 49,431.11 and 19,906.04

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Solution

The fourth proportional to 35,820.65, 49,431.11 and 19,906.04 is: 27,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.65 : 49,431.11 = 19,906.04 : x
  2. Step 2: Convert to fraction form
    35,820.65/49,431.11 = 19,906.04/x
  3. Step 3: Cross multiply
    35,820.65x = 49,431.11 × 19,906.04
  4. Step 4: Simplify right side
    35,820.65x = 983,977,306.22
  5. Step 5: Solve for x
    x = 983,977,306.22/35,820.65
  6. Step 6: Final answer
    x = 27,469.56

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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.