Home / 81,614.42-122,422.40-24,688.76

Finding the Fourth Proportional to 81,614.42, 122,422.40 and 24,688.76

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Solution

The fourth proportional to 81,614.42, 122,422.40 and 24,688.76 is: 37,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,614.42 : 122,422.40 = 24,688.76 : x
  2. Step 2: Convert to fraction form
    81,614.42/122,422.40 = 24,688.76/x
  3. Step 3: Cross multiply
    81,614.42x = 122,422.40 × 24,688.76
  4. Step 4: Simplify right side
    81,614.42x = 3,022,456,516.67
  5. Step 5: Solve for x
    x = 3,022,456,516.67/81,614.42
  6. Step 6: Final answer
    x = 37,033.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.