Home / 19,740.33-29,609.79-4,949.37

Finding the Fourth Proportional to 19,740.33, 29,609.79 and 4,949.37

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Solution

The fourth proportional to 19,740.33, 29,609.79 and 4,949.37 is: 7,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.33 : 29,609.79 = 4,949.37 : x
  2. Step 2: Convert to fraction form
    19,740.33/29,609.79 = 4,949.37/x
  3. Step 3: Cross multiply
    19,740.33x = 29,609.79 × 4,949.37
  4. Step 4: Simplify right side
    19,740.33x = 146,549,806.33
  5. Step 5: Solve for x
    x = 146,549,806.33/19,740.33
  6. Step 6: Final answer
    x = 7,423.88

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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.