Home / 81,895.95-122,843.86-22,731.59

Finding the Fourth Proportional to 81,895.95, 122,843.86 and 22,731.59

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Solution

The fourth proportional to 81,895.95, 122,843.86 and 22,731.59 is: 34,097.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,895.95 : 122,843.86 = 22,731.59 : x
  2. Step 2: Convert to fraction form
    81,895.95/122,843.86 = 22,731.59/x
  3. Step 3: Cross multiply
    81,895.95x = 122,843.86 × 22,731.59
  4. Step 4: Simplify right side
    81,895.95x = 2,792,436,509.82
  5. Step 5: Solve for x
    x = 2,792,436,509.82/81,895.95
  6. Step 6: Final answer
    x = 34,097.37

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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.