Home / 39,281.75-54,216.11-22,514.75

Finding the Fourth Proportional to 39,281.75, 54,216.11 and 22,514.75

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Solution

The fourth proportional to 39,281.75, 54,216.11 and 22,514.75 is: 31,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.75 : 54,216.11 = 22,514.75 : x
  2. Step 2: Convert to fraction form
    39,281.75/54,216.11 = 22,514.75/x
  3. Step 3: Cross multiply
    39,281.75x = 54,216.11 × 22,514.75
  4. Step 4: Simplify right side
    39,281.75x = 1,220,662,162.62
  5. Step 5: Solve for x
    x = 1,220,662,162.62/39,281.75
  6. Step 6: Final answer
    x = 31,074.54

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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.