Home / 51,756.31-71,415.69-29,091.09

Finding the Fourth Proportional to 51,756.31, 71,415.69 and 29,091.09

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Solution

The fourth proportional to 51,756.31, 71,415.69 and 29,091.09 is: 40,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.31 : 71,415.69 = 29,091.09 : x
  2. Step 2: Convert to fraction form
    51,756.31/71,415.69 = 29,091.09/x
  3. Step 3: Cross multiply
    51,756.31x = 71,415.69 × 29,091.09
  4. Step 4: Simplify right side
    51,756.31x = 2,077,560,265.20
  5. Step 5: Solve for x
    x = 2,077,560,265.20/51,756.31
  6. Step 6: Final answer
    x = 40,141.20

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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.