Home / 54,301.88-81,465.57-16,860.02

Finding the Fourth Proportional to 54,301.88, 81,465.57 and 16,860.02

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Solution

The fourth proportional to 54,301.88, 81,465.57 and 16,860.02 is: 25,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.88 : 81,465.57 = 16,860.02 : x
  2. Step 2: Convert to fraction form
    54,301.88/81,465.57 = 16,860.02/x
  3. Step 3: Cross multiply
    54,301.88x = 81,465.57 × 16,860.02
  4. Step 4: Simplify right side
    54,301.88x = 1,373,511,139.51
  5. Step 5: Solve for x
    x = 1,373,511,139.51/54,301.88
  6. Step 6: Final answer
    x = 25,293.99

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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.