Home / 54,155.09-81,202.62-22,156.64

Finding the Fourth Proportional to 54,155.09, 81,202.62 and 22,156.64

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Solution

The fourth proportional to 54,155.09, 81,202.62 and 22,156.64 is: 33,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.09 : 81,202.62 = 22,156.64 : x
  2. Step 2: Convert to fraction form
    54,155.09/81,202.62 = 22,156.64/x
  3. Step 3: Cross multiply
    54,155.09x = 81,202.62 × 22,156.64
  4. Step 4: Simplify right side
    54,155.09x = 1,799,176,812.38
  5. Step 5: Solve for x
    x = 1,799,176,812.38/54,155.09
  6. Step 6: Final answer
    x = 33,222.68

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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.