Home / 43,434.27-65,165.25-19,414.87

Finding the Fourth Proportional to 43,434.27, 65,165.25 and 19,414.87

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Solution

The fourth proportional to 43,434.27, 65,165.25 and 19,414.87 is: 29,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,434.27 : 65,165.25 = 19,414.87 : x
  2. Step 2: Convert to fraction form
    43,434.27/65,165.25 = 19,414.87/x
  3. Step 3: Cross multiply
    43,434.27x = 65,165.25 × 19,414.87
  4. Step 4: Simplify right side
    43,434.27x = 1,265,174,857.27
  5. Step 5: Solve for x
    x = 1,265,174,857.27/43,434.27
  6. Step 6: Final answer
    x = 29,128.49

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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.