Home / 39,364.30-54,310.53-22,367.80

Finding the Fourth Proportional to 39,364.30, 54,310.53 and 22,367.80

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Solution

The fourth proportional to 39,364.30, 54,310.53 and 22,367.80 is: 30,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.30 : 54,310.53 = 22,367.80 : x
  2. Step 2: Convert to fraction form
    39,364.30/54,310.53 = 22,367.80/x
  3. Step 3: Cross multiply
    39,364.30x = 54,310.53 × 22,367.80
  4. Step 4: Simplify right side
    39,364.30x = 1,214,807,072.93
  5. Step 5: Solve for x
    x = 1,214,807,072.93/39,364.30
  6. Step 6: Final answer
    x = 30,860.63

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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.