Home / 51,835.13-71,506.23-30,310.79

Finding the Fourth Proportional to 51,835.13, 71,506.23 and 30,310.79

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Solution

The fourth proportional to 51,835.13, 71,506.23 and 30,310.79 is: 41,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,835.13 : 71,506.23 = 30,310.79 : x
  2. Step 2: Convert to fraction form
    51,835.13/71,506.23 = 30,310.79/x
  3. Step 3: Cross multiply
    51,835.13x = 71,506.23 × 30,310.79
  4. Step 4: Simplify right side
    51,835.13x = 2,167,409,963.69
  5. Step 5: Solve for x
    x = 2,167,409,963.69/51,835.13
  6. Step 6: Final answer
    x = 41,813.54

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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.