Home / 54,531.45-75,249.68-30,661.83

Finding the Fourth Proportional to 54,531.45, 75,249.68 and 30,661.83

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Solution

The fourth proportional to 54,531.45, 75,249.68 and 30,661.83 is: 42,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.45 : 75,249.68 = 30,661.83 : x
  2. Step 2: Convert to fraction form
    54,531.45/75,249.68 = 30,661.83/x
  3. Step 3: Cross multiply
    54,531.45x = 75,249.68 × 30,661.83
  4. Step 4: Simplify right side
    54,531.45x = 2,307,292,742.41
  5. Step 5: Solve for x
    x = 2,307,292,742.41/54,531.45
  6. Step 6: Final answer
    x = 42,311.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.