Home / 47,351.39-71,019.33-19,270.31

Finding the Fourth Proportional to 47,351.39, 71,019.33 and 19,270.31

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Solution

The fourth proportional to 47,351.39, 71,019.33 and 19,270.31 is: 28,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.39 : 71,019.33 = 19,270.31 : x
  2. Step 2: Convert to fraction form
    47,351.39/71,019.33 = 19,270.31/x
  3. Step 3: Cross multiply
    47,351.39x = 71,019.33 × 19,270.31
  4. Step 4: Simplify right side
    47,351.39x = 1,368,564,505.09
  5. Step 5: Solve for x
    x = 1,368,564,505.09/47,351.39
  6. Step 6: Final answer
    x = 28,902.31

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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.