Home / 51,576.96-71,178.24-30,355.20

Finding the Fourth Proportional to 51,576.96, 71,178.24 and 30,355.20

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Solution

The fourth proportional to 51,576.96, 71,178.24 and 30,355.20 is: 41,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.96 : 71,178.24 = 30,355.20 : x
  2. Step 2: Convert to fraction form
    51,576.96/71,178.24 = 30,355.20/x
  3. Step 3: Cross multiply
    51,576.96x = 71,178.24 × 30,355.20
  4. Step 4: Simplify right side
    51,576.96x = 2,160,629,710.85
  5. Step 5: Solve for x
    x = 2,160,629,710.85/51,576.96
  6. Step 6: Final answer
    x = 41,891.37

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1.5x scale

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.