Home / 43,409.44-65,122.26-19,718.65

Finding the Fourth Proportional to 43,409.44, 65,122.26 and 19,718.65

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Solution

The fourth proportional to 43,409.44, 65,122.26 and 19,718.65 is: 29,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.44 : 65,122.26 = 19,718.65 : x
  2. Step 2: Convert to fraction form
    43,409.44/65,122.26 = 19,718.65/x
  3. Step 3: Cross multiply
    43,409.44x = 65,122.26 × 19,718.65
  4. Step 4: Simplify right side
    43,409.44x = 1,284,123,052.15
  5. Step 5: Solve for x
    x = 1,284,123,052.15/43,409.44
  6. Step 6: Final answer
    x = 29,581.65

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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.