Home / 51,961.26-71,707.23-30,739.98

Finding the Fourth Proportional to 51,961.26, 71,707.23 and 30,739.98

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Solution

The fourth proportional to 51,961.26, 71,707.23 and 30,739.98 is: 42,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.26 : 71,707.23 = 30,739.98 : x
  2. Step 2: Convert to fraction form
    51,961.26/71,707.23 = 30,739.98/x
  3. Step 3: Cross multiply
    51,961.26x = 71,707.23 × 30,739.98
  4. Step 4: Simplify right side
    51,961.26x = 2,204,278,816.06
  5. Step 5: Solve for x
    x = 2,204,278,816.06/51,961.26
  6. Step 6: Final answer
    x = 42,421.58

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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.