Home / 39,142.98-58,636.69-19,361.16

Finding the Fourth Proportional to 39,142.98, 58,636.69 and 19,361.16

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Solution

The fourth proportional to 39,142.98, 58,636.69 and 19,361.16 is: 29,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.98 : 58,636.69 = 19,361.16 : x
  2. Step 2: Convert to fraction form
    39,142.98/58,636.69 = 19,361.16/x
  3. Step 3: Cross multiply
    39,142.98x = 58,636.69 × 19,361.16
  4. Step 4: Simplify right side
    39,142.98x = 1,135,274,288.56
  5. Step 5: Solve for x
    x = 1,135,274,288.56/39,142.98
  6. Step 6: Final answer
    x = 29,003.27

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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.