Home / 54,180.73-81,395.79-38,424.71

Finding the Fourth Proportional to 54,180.73, 81,395.79 and 38,424.71

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Solution

The fourth proportional to 54,180.73, 81,395.79 and 38,424.71 is: 57,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.73 : 81,395.79 = 38,424.71 : x
  2. Step 2: Convert to fraction form
    54,180.73/81,395.79 = 38,424.71/x
  3. Step 3: Cross multiply
    54,180.73x = 81,395.79 × 38,424.71
  4. Step 4: Simplify right side
    54,180.73x = 3,127,609,685.37
  5. Step 5: Solve for x
    x = 3,127,609,685.37/54,180.73
  6. Step 6: Final answer
    x = 57,725.50

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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.