Home / 54,387.81-81,571.97-34,607.61

Finding the Fourth Proportional to 54,387.81, 81,571.97 and 34,607.61

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Solution

The fourth proportional to 54,387.81, 81,571.97 and 34,607.61 is: 51,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.81 : 81,571.97 = 34,607.61 : x
  2. Step 2: Convert to fraction form
    54,387.81/81,571.97 = 34,607.61/x
  3. Step 3: Cross multiply
    54,387.81x = 81,571.97 × 34,607.61
  4. Step 4: Simplify right side
    54,387.81x = 2,823,010,924.69
  5. Step 5: Solve for x
    x = 2,823,010,924.69/54,387.81
  6. Step 6: Final answer
    x = 51,905.21

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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.