Home / 39,144.37-54,018.92-22,148.47

Finding the Fourth Proportional to 39,144.37, 54,018.92 and 22,148.47

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Solution

The fourth proportional to 39,144.37, 54,018.92 and 22,148.47 is: 30,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.37 : 54,018.92 = 22,148.47 : x
  2. Step 2: Convert to fraction form
    39,144.37/54,018.92 = 22,148.47/x
  3. Step 3: Cross multiply
    39,144.37x = 54,018.92 × 22,148.47
  4. Step 4: Simplify right side
    39,144.37x = 1,196,436,429.05
  5. Step 5: Solve for x
    x = 1,196,436,429.05/39,144.37
  6. Step 6: Final answer
    x = 30,564.71

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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.