Home / 39,143.37-54,017.54-22,147.47

Finding the Fourth Proportional to 39,143.37, 54,017.54 and 22,147.47

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Solution

The fourth proportional to 39,143.37, 54,017.54 and 22,147.47 is: 30,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.37 : 54,017.54 = 22,147.47 : x
  2. Step 2: Convert to fraction form
    39,143.37/54,017.54 = 22,147.47/x
  3. Step 3: Cross multiply
    39,143.37x = 54,017.54 × 22,147.47
  4. Step 4: Simplify right side
    39,143.37x = 1,196,351,846.62
  5. Step 5: Solve for x
    x = 1,196,351,846.62/39,143.37
  6. Step 6: Final answer
    x = 30,563.33

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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.