Home / 39,251.57-54,174.11-23,119.74

Finding the Fourth Proportional to 39,251.57, 54,174.11 and 23,119.74

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Solution

The fourth proportional to 39,251.57, 54,174.11 and 23,119.74 is: 31,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.57 : 54,174.11 = 23,119.74 : x
  2. Step 2: Convert to fraction form
    39,251.57/54,174.11 = 23,119.74/x
  3. Step 3: Cross multiply
    39,251.57x = 54,174.11 × 23,119.74
  4. Step 4: Simplify right side
    39,251.57x = 1,252,491,222.33
  5. Step 5: Solve for x
    x = 1,252,491,222.33/39,251.57
  6. Step 6: Final answer
    x = 31,909.33

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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.