Home / 51,986.88-71,739-29,329.56

Finding the Fourth Proportional to 51,986.88, 71,739 and 29,329.56

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Solution

The fourth proportional to 51,986.88, 71,739 and 29,329.56 is: 40,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.88 : 71,739 = 29,329.56 : x
  2. Step 2: Convert to fraction form
    51,986.88/71,739 = 29,329.56/x
  3. Step 3: Cross multiply
    51,986.88x = 71,739 × 29,329.56
  4. Step 4: Simplify right side
    51,986.88x = 2,104,073,304.84
  5. Step 5: Solve for x
    x = 2,104,073,304.84/51,986.88
  6. Step 6: Final answer
    x = 40,473.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.