Home / 39,952.85-59,936.56-19,972.78

Finding the Fourth Proportional to 39,952.85, 59,936.56 and 19,972.78

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Solution

The fourth proportional to 39,952.85, 59,936.56 and 19,972.78 is: 29,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,952.85 : 59,936.56 = 19,972.78 : x
  2. Step 2: Convert to fraction form
    39,952.85/59,936.56 = 19,972.78/x
  3. Step 3: Cross multiply
    39,952.85x = 59,936.56 × 19,972.78
  4. Step 4: Simplify right side
    39,952.85x = 1,197,099,527.06
  5. Step 5: Solve for x
    x = 1,197,099,527.06/39,952.85
  6. Step 6: Final answer
    x = 29,962.81

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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.