Home / 39,243.88-54,155.37-22,249.68

Finding the Fourth Proportional to 39,243.88, 54,155.37 and 22,249.68

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Solution

The fourth proportional to 39,243.88, 54,155.37 and 22,249.68 is: 30,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.88 : 54,155.37 = 22,249.68 : x
  2. Step 2: Convert to fraction form
    39,243.88/54,155.37 = 22,249.68/x
  3. Step 3: Cross multiply
    39,243.88x = 54,155.37 × 22,249.68
  4. Step 4: Simplify right side
    39,243.88x = 1,204,939,652.78
  5. Step 5: Solve for x
    x = 1,204,939,652.78/39,243.88
  6. Step 6: Final answer
    x = 30,703.89

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1.5x scale

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.