Home / 39,243.61-54,155.03-22,249.42

Finding the Fourth Proportional to 39,243.61, 54,155.03 and 22,249.42

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Solution

The fourth proportional to 39,243.61, 54,155.03 and 22,249.42 is: 30,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.61 : 54,155.03 = 22,249.42 : x
  2. Step 2: Convert to fraction form
    39,243.61/54,155.03 = 22,249.42/x
  3. Step 3: Cross multiply
    39,243.61x = 54,155.03 × 22,249.42
  4. Step 4: Simplify right side
    39,243.61x = 1,204,917,886.10
  5. Step 5: Solve for x
    x = 1,204,917,886.10/39,243.61
  6. Step 6: Final answer
    x = 30,703.55

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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.