Home / 54,202.55-81,283.59-18,653.81

Finding the Fourth Proportional to 54,202.55, 81,283.59 and 18,653.81

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Solution

The fourth proportional to 54,202.55, 81,283.59 and 18,653.81 is: 27,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,202.55 : 81,283.59 = 18,653.81 : x
  2. Step 2: Convert to fraction form
    54,202.55/81,283.59 = 18,653.81/x
  3. Step 3: Cross multiply
    54,202.55x = 81,283.59 × 18,653.81
  4. Step 4: Simplify right side
    54,202.55x = 1,516,248,237.56
  5. Step 5: Solve for x
    x = 1,516,248,237.56/54,202.55
  6. Step 6: Final answer
    x = 27,973.75

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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.