Home / 51,986.36-71,735.83-38,381.65

Finding the Fourth Proportional to 51,986.36, 71,735.83 and 38,381.65

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Solution

The fourth proportional to 51,986.36, 71,735.83 and 38,381.65 is: 52,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.36 : 71,735.83 = 38,381.65 : x
  2. Step 2: Convert to fraction form
    51,986.36/71,735.83 = 38,381.65/x
  3. Step 3: Cross multiply
    51,986.36x = 71,735.83 × 38,381.65
  4. Step 4: Simplify right side
    51,986.36x = 2,753,339,244.23
  5. Step 5: Solve for x
    x = 2,753,339,244.23/51,986.36
  6. Step 6: Final answer
    x = 52,962.72

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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.