Home / 54,548.36-81,813.36-15,109.46

Finding the Fourth Proportional to 54,548.36, 81,813.36 and 15,109.46

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Solution

The fourth proportional to 54,548.36, 81,813.36 and 15,109.46 is: 22,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,548.36 : 81,813.36 = 15,109.46 : x
  2. Step 2: Convert to fraction form
    54,548.36/81,813.36 = 15,109.46/x
  3. Step 3: Cross multiply
    54,548.36x = 81,813.36 × 15,109.46
  4. Step 4: Simplify right side
    54,548.36x = 1,236,155,690.39
  5. Step 5: Solve for x
    x = 1,236,155,690.39/54,548.36
  6. Step 6: Final answer
    x = 22,661.65

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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.