Home / 39,310.80-54,245.34-23,392.68

Finding the Fourth Proportional to 39,310.80, 54,245.34 and 23,392.68

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Solution

The fourth proportional to 39,310.80, 54,245.34 and 23,392.68 is: 32,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.80 : 54,245.34 = 23,392.68 : x
  2. Step 2: Convert to fraction form
    39,310.80/54,245.34 = 23,392.68/x
  3. Step 3: Cross multiply
    39,310.80x = 54,245.34 × 23,392.68
  4. Step 4: Simplify right side
    39,310.80x = 1,268,943,880.11
  5. Step 5: Solve for x
    x = 1,268,943,880.11/39,310.80
  6. Step 6: Final answer
    x = 32,279.78

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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.