Home / 39,146.38-54,021.68-22,150.48

Finding the Fourth Proportional to 39,146.38, 54,021.68 and 22,150.48

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Solution

The fourth proportional to 39,146.38, 54,021.68 and 22,150.48 is: 30,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.38 : 54,021.68 = 22,150.48 : x
  2. Step 2: Convert to fraction form
    39,146.38/54,021.68 = 22,150.48/x
  3. Step 3: Cross multiply
    39,146.38x = 54,021.68 × 22,150.48
  4. Step 4: Simplify right side
    39,146.38x = 1,196,606,142.41
  5. Step 5: Solve for x
    x = 1,196,606,142.41/39,146.38
  6. Step 6: Final answer
    x = 30,567.48

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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.