Home / 81,562.34-122,329.64-22,384.15

Finding the Fourth Proportional to 81,562.34, 122,329.64 and 22,384.15

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Solution

The fourth proportional to 81,562.34, 122,329.64 and 22,384.15 is: 33,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.34 : 122,329.64 = 22,384.15 : x
  2. Step 2: Convert to fraction form
    81,562.34/122,329.64 = 22,384.15/x
  3. Step 3: Cross multiply
    81,562.34x = 122,329.64 × 22,384.15
  4. Step 4: Simplify right side
    81,562.34x = 2,738,244,761.34
  5. Step 5: Solve for x
    x = 2,738,244,761.34/81,562.34
  6. Step 6: Final answer
    x = 33,572.41

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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.