Home / 43,449.78-65,115.90-19,727.94

Finding the Fourth Proportional to 43,449.78, 65,115.90 and 19,727.94

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Solution

The fourth proportional to 43,449.78, 65,115.90 and 19,727.94 is: 29,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,449.78 : 65,115.90 = 19,727.94 : x
  2. Step 2: Convert to fraction form
    43,449.78/65,115.90 = 19,727.94/x
  3. Step 3: Cross multiply
    43,449.78x = 65,115.90 × 19,727.94
  4. Step 4: Simplify right side
    43,449.78x = 1,284,602,568.25
  5. Step 5: Solve for x
    x = 1,284,602,568.25/43,449.78
  6. Step 6: Final answer
    x = 29,565.23

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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.