Home / 19,943.03-29,912.23-5,150.79

Finding the Fourth Proportional to 19,943.03, 29,912.23 and 5,150.79

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Solution

The fourth proportional to 19,943.03, 29,912.23 and 5,150.79 is: 7,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.03 : 29,912.23 = 5,150.79 : x
  2. Step 2: Convert to fraction form
    19,943.03/29,912.23 = 5,150.79/x
  3. Step 3: Cross multiply
    19,943.03x = 29,912.23 × 5,150.79
  4. Step 4: Simplify right side
    19,943.03x = 154,071,615.16
  5. Step 5: Solve for x
    x = 154,071,615.16/19,943.03
  6. Step 6: Final answer
    x = 7,725.59

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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.